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Health Terms starting with M

Common Health Terms | All Health Terms

2nd Letter:

a C e i M N o P R S u y

Maackia - A plant genus of the family FABACEAE. It contains a hemagglutinin....

Macaca - A genus of the subfamily CERCOPITHECINAE, family CERCOPITHECIDAE, consisting of 16 species inhabitin...

Macaca fascicularis - A species of the genus MACACA which typically lives near the coast in tidal creeks and mangrove swam...

Macaca mulatta - A species of the genus MACACA inhabiting India, China, and other parts of Asia. The species is used ...

Macaca nemestrina - A species of the genus MACACA which inhabits Malaya, Sumatra, and Borneo. It is one of the most arbo...

Macaca radiata - A species of macaque monkey that mainly inhabits the forest of southern India. They are also called ...

Macadamia - A plant genus of the family PROTEACEAE that is the source of edible NUTS....

Macau - Special Administrative Region of the People's Republic of China since December 20, 1999 with its own...

Macedonia (Republic) - Formerly a constituent republic of Yugoslavia, comprising the Yugoslav section of the region of Mace...

Machado-Joseph Disease - A dominantly-inherited ATAXIA first described in people of Azorean and Portuguese descent, and subse...

Machiavellianism - A personality dimension characterized by the manipulation of others....

Maclura - A plant genus of the family MORACEAE. Members contain maclurin, antifungal chalcones, and other comp...

Macrocyclic Compounds - Cyclic compounds with a ring size of approximately 1-4 dozen atoms....

Macrocystis - A genus of BROWN ALGAE in the family Lessoniaceae, and one of the major forms of KELP. The species M...

Macroglobulins - Serum globulins with high molecular weight. (Dorland, 28th ed)...

Macroglossia - The presence of an excessively large tongue, which may be congenital or may develop as a result of a...

Macrolides - A group of macrocyclic compounds formed by chain extension of multiple PROPIONATES and cyclized into...

Macromolecular Substances - Compounds and molecular complexes that consist of very large numbers of atoms and are generally over...

Macronucleus - The larger of two types of nuclei in ciliate protozoans. It is the transcriptionally active nucleus ...

Macrophage Activation - The process of altering the morphology and functional activity of macrophages so that they become av...

Macrophage Activation Syndrome - A serious complication of childhood systemic inflammatory disorders that is thought to be caused by ...

Macrophage Colony-Stimulating Factor - A mononuclear phagocyte colony-stimulating factor (M-CSF) synthesized by mesenchymal cells. The comp...

Macrophage Inflammatory Proteins - Heparin-binding proteins that exhibit a number of inflammatory and immunoregulatory activities. Orig...

Macrophage Migration-Inhibitory Factors - Proteins released by sensitized LYMPHOCYTES and possibly other cells that inhibit the migration of M...

Macrophage-1 Antigen - An adhesion-promoting leukocyte surface membrane heterodimer. The alpha subunit consists of the CD11...

Macrophage-Activating Factors - Factors secreted by stimulated lymphocytes that prime macrophages to become nonspecifically cytotoxi...

Macrophages - The relatively long-lived phagocytic cell of mammalian tissues that are derived from blood MONOCYTES...

Macrophages, Alveolar - Round, granular, mononuclear phagocytes found in the alveoli of the lungs. They ingest small inhaled...

Macrophages, Peritoneal - Mononuclear phagocytes derived from bone marrow precursors but resident in the peritoneum....

Macropodidae - A family of herbivorous leaping MAMMALS of Australia, New Guinea, and adjacent islands. Members incl...

Macrostomia - Greatly exaggerated width of the mouth, resulting from failure of union of the maxillary and mandibu...

Macula Lutea - An oval area in the retina, 3 to 5 mm in diameter, usually located temporal to the posterior pole of...

Macular Degeneration - Degenerative changes in the RETINA usually of older adults which results in a loss of vision in the ...

Macular Edema - Fluid accumulation in the outer layer of the MACULA LUTEA that results from intraocular or systemic ...

Madagascar - One of the Indian Ocean Islands off the southeast coast of Africa. Its capital is Antananarivo. It w...

Madhuca - A plant genus of the family SAPOTACEAE that is the source of mahua oil. Members contain oleanene tri...

MADS Domain Proteins - A superfamily of proteins that share a highly conserved MADS domain sequence motif. The term MADS re...

Madurella - A mitosporic fungal genus that causes MYCETOMA in humans. Madurella grisea and M. mycetomatis are th...

Maf Transcription Factors - Maf transcription factors are a family of basic-leucine zipper transcription factors that are closel...

Maf Transcription Factors, Large - A family of high molecular weight Maf transcription factors that contain distinct activation domains...

Maf Transcription Factors, Small - A family of Maf Transcription Factors that lack activation domains. Small Maf proteins function as t...

MafB Transcription Factor - A large maf protein that regulates HINDBRAIN development, contributes to CELL DIFFERENTIATION of MON...

Mafenide - A sulfonamide that inhibits the enzyme carbonic anhydrase and is used as topical anti-infective, esp...

MafF Transcription Factor - A small maf protein that forms dimers with NRF1 protein; NRF2 PROTEIN; and P45 NF-E2 PROTEIN. MafF c...

MafG Transcription Factor - MafG is a ubiquitously expressed small maf protein that is involved in CELL DIFFERENTIATION of ERYTH...

MafK Transcription Factor - A small Maf protein involved in differentiation of ERYTHROID CELLS. MafK was originally described as...

Magainins - A class of antimicrobial peptides discovered in the skin of XENOPUS LAEVIS. They kill bacteria by pe...

Magic - Beliefs and practices concerned with producing desired results through supernatural forces or agents...

Magnaporthe - A genus of FUNGI, in the family Magnaporthaceae of uncertain position (incertae sedis). It is best k...

Magnesium - A metallic element that has the atomic symbol Mg, atomic number 12, and atomic weight 24.31. It is i...

Magnesium Chloride - Magnesium chloride. An inorganic compound consisting of one magnesium and two chloride ions. The com...

Magnesium Compounds - Inorganic compounds that contain magnesium as an integral part of the molecule....

Magnesium Deficiency - A nutritional condition produced by a deficiency of magnesium in the diet, characterized by anorexia...

Magnesium Hydroxide - An inorganic compound that occurs in nature as the mineral brucite. It acts as an antacid with catha...

Magnesium Oxide - Magnesium oxide (MgO). An inorganic compound that occurs in nature as the mineral periclase. In aque...

Magnesium Silicates - A generic term for a variety of compounds that contain silicon, oxygen, and magnesium, and may conta...

Magnesium Sulfate - A small colorless crystal used as an anticonvulsant, a cathartic, and an electrolyte replenisher in ...

Magnetic Field Therapy - The magnetic stimulation of specific target tissues or areas of the body for therapeutic purposes vi...

Magnetic Resonance Angiography - Non-invasive method of vascular imaging and determination of internal anatomy without injection of c...

Magnetic Resonance Imaging - Non-invasive method of demonstrating internal anatomy based on the principle that atomic nuclei in a...

Magnetic Resonance Imaging, Cine - A type of imaging technique used primarily in the field of cardiology. By coordinating the fast grad...

Magnetic Resonance Imaging, Interventional - Minimally invasive procedures guided with the aid of magnetic resonance imaging to visualize tissue ...

Magnetic Resonance Spectroscopy - Spectroscopic method of measuring the magnetic moment of elementary particles such as atomic nuclei,...

Magnetics - The study of magnetic phenomena and magnetic fields. Magnetism produced by electric currents is ELEC...

Magnetocardiography - The measurement of magnetic fields generated by electric currents from the heart. The measurement of...

Magnetoencephalography - The measurement of magnetic fields over the head generated by electric currents in the brain. As in ...

Magnetosomes - Membrane-bound prokaryotic organelles of magnetotactic bacteria that contain chains of MAGNETITE cry...

Magnetospirillum - A genus of microaerophilic, gram-negative bacteria that forms crystals of the mineral magnetite in s...

Magnolia - A plant genus of the family MAGNOLIACEAE. The germacranolide sesquiterpene lactones costunolide, par...

Magnoliaceae - A plant family of the order Magnoliales, subclass Magnoliidae, class Magnoliopsida. They are trees ...

Mahonia - A plant genus in the family BERBERIDACEAE. Oregon Grape was discovered in North America and classifi...

Maillard Reaction - One of a group of nonenzymatic reactions in which aldehydes, ketones, or reducing sugars react with ...

Mainstreaming (Education) - Most frequently refers to the integration of a physically or mentally disabled child into the regula...

Maintenance - The upkeep of property or equipment....

Maintenance and Engineering, Hospital - Hospital department whose primary function is the upkeep and supervision of the buildings and ground...

Maize streak virus - The type species of genus Mastrevirus, family GEMINIVIRIDAE....

Major Histocompatibility Complex - The genetic region which contains the loci of genes which determine the structure of the serological...

Malabsorption Syndromes - General term for a group of MALNUTRITION syndromes caused by failure of normal INTESTINAL ABSORPTION...

Malacoplakia - The formation of soft patches on the mucous membrane of a hollow organ, such as the urogenital tract...

Malaria - A protozoan disease caused in humans by four species of the PLASMODIUM genus: PLASMODIUM FALCIPARUM;...

Malaria Vaccines - Vaccines made from antigens arising from any of the four strains of Plasmodium which cause malaria i...

Malaria, Avian - Any of a group of infections of fowl caused by protozoa of the genera PLASMODIUM, Leucocytozoon, and...

Malaria, Cerebral - A condition characterized by somnolence or coma in the presence of an acute infection with PLASMODIU...

Malaria, Falciparum - Malaria caused by PLASMODIUM FALCIPARUM. This is the severest form of malaria and is associated with...

Malaria, Vivax - Malaria caused by PLASMODIUM VIVAX. This form of malaria is less severe than MALARIA, FALCIPARUM, bu...

Malassezia - A mitosporic fungal genus that causes a variety of skin disorders. Malassezia furfur (Pityrosporum o...

Malate Dehydrogenase - An enzyme that catalyzes the conversion of (S)-malate and NAD+ to oxaloacetate and NADH. EC 1.1.1.37...

Malate Dehydrogenase (NADP+) - A light-activated enzyme that catalyzes the oxidation of (S)-malate to OXALOACETATE. It is involved ...

Malate Synthase - An important enzyme in the glyoxylic acid cycle which reversibly catalyzes the synthesis of L-malate...

Malathion - A wide spectrum aliphatic organophosphate insecticide widely used for both domestic and commercial a...

Malawi - A republic in southern Africa east of ZAMBIA and MOZAMBIQUE. Its capital is Lilongwe. It was formerl...

Malaysia - A parliamentary democracy with a constitutional monarch in southeast Asia, consisting of 11 states (...

Male Urogenital Diseases - Pathological processes of the male URINARY TRACT and the reproductive system (GENITALIA, MALE)....

Maleic Anhydrides - Used in copolymerization reactions, in the Diels-Alder(diene)synthesis, in the preparation of resins...

Maleic Hydrazide - 1,2-Dihydro-3,6-pyridazinedione. A herbicide and plant growth regulator; also used to control sucker...

Malformations of Cortical Development - Abnormalities in the development of the CEREBRAL CORTEX. These include malformations arising from ab...

Mali - A country in western Africa, east of MAURITANIA and south of ALGERIA. Its capital is Bamako. From 19...

Malignant Atrophic Papulosis - Variously described as a vasculopathy, endovasculitis, or occlusive arteriopathy, this condition occ...

Malignant Carcinoid Syndrome - A symptom complex associated with CARCINOID TUMOR and characterized by attacks of severe flushing of...

Malignant Catarrh - A herpesvirus infection of cattle characterized by catarrhal inflammation of the upper respiratory a...

Malignant Hyperthermia - Rapid and excessive rise of temperature accompanied by muscular rigidity following general anesthesi...

Malingering - Simulation of symptoms of illness or injury with intent to deceive in order to obtain a goal, e.g., ...

Malleus - The largest of the auditory ossicles, and the one attached to the membrana tympani (TYMPANIC MEMBRAN...

Mallophaga - An order of insects comprising the chewing lice or biting lice, many of which are parasitic on wild ...

Mallory-Weiss Syndrome - A condition characterized by mucosal tears at the ESOPHAGOGASTRIC JUNCTION, sometimes with HEMATEMES...

Mallotus Plant - A plant genus of the family EUPHORBIACEAE. Members contain fredelin type TRITERPENES, mallorepine (a...

Malnutrition - An imbalanced nutritional status resulted from insufficient intake of nutrients to meet normal physi...

Malocclusion - Such malposition and contact of the maxillary and mandibular teeth as to interfere with the highest ...

Malocclusion, Angle Class I - Malocclusion in which the mandible and maxilla are anteroposteriorly normal as reflected by the rela...

Malocclusion, Angle Class II - Malocclusion in which the mandible is posterior to the maxilla as reflected by the relationship of t...

Malocclusion, Angle Class III - Malocclusion in which the mandible is anterior to the maxilla as reflected by the first relationship...

Malonate-Semialdehyde Dehydrogenase (Acetylating) - An enzyme that catalyzes the oxidation of 3-oxopropanoate (malonate semialdehyde) to acetyl COENZYME...

Malondialdehyde - The dialdehyde of malonic acid....

Malonyl Coenzyme A - A coenzyme A derivative which plays a key role in the fatty acid synthesis in the cytoplasmic and mi...

Malpighiaceae - A plant family of the order Polygalales, subclass Rosidae class, Magnoliopsida that are mostly shrub...

Malpighian Tubules - Slender tubular or hairlike excretory structures found in insects. They emerge from the alimentary c...

Malpractice - Failure of a professional person, a physician or lawyer, to render proper services through reprehens...

Malta - An independent state consisting of three islands in the Mediterranean Sea, south of Sicily. Its capi...

Maltose - A dextrodisaccharide from malt and starch. It is used as a sweetening agent and fermentable intermed...

Malus - A plant genus in the family ROSACEAE, order Rosales, subclass Rosidae. It is best known as a source...

Malva - A plant genus of the family MALVACEAE, order Malvales, subclass Dilleniida. The common name of 'Mall...

Malvaceae - The mallow family of the order Malvales, subclass Dilleniidae, class Magnoliopsida. Members include...

Mamastrovirus - A genus of small, circular RNA viruses in the family ASTROVIRIDAE. They cause GASTROENTERITIS and ar...

Mamillary Bodies - A pair of nuclei and associated gray matter in the interpeduncular space rostral to the posterior pe...

Mammalian orthoreovirus 3 - A serotype of ORTHOREOVIRUS, MAMMALIAN causing serious pathology in laboratory rodents, characterize...

Mammals - Warm-blooded vertebrate animals belonging to the class Mammalia, including all that possess hair and...

Mammaplasty - Surgical reconstruction of the breast including both augmentation and reduction....

Mammary Arteries - Arteries originating from the subclavian or axillary arteries and distributing to the anterior thora...

Mammary Glands, Animal - MAMMARY GLANDS in the non-human MAMMALS....

Mammary Glands, Human - Glandular tissue in the BREAST of human that is under the influence of hormones such as ESTROGENS; P...

Mammary Neoplasms, Animal - Tumors or cancer of the MAMMARY GLAND in animals (MAMMARY GLANDS, ANIMAL)....

Mammary Neoplasms, Experimental - Experimentally induced mammary neoplasms in animals to provide a model for studying human BREAST NEO...

Mammary Tumor Virus, Mouse - The type species of BETARETROVIRUS commonly latent in mice. It causes mammary adenocarcinoma in a ge...

Mammea - A plant genus of the family CLUSIACEAE. Members contain xanthones and BENZOPHENONES. The common name...

Mammography - Radiographic examination of the breast....

Mammoths - An extinct genus of large mammals in the family Elephantidae that fed by grazing on low vegetation. ...

Managed Care Programs - Health insurance plans intended to reduce unnecessary health care costs through a variety of mechani...

Managed Competition - A strategy for purchasing health care in a manner which will obtain maximum value for the price for ...

Management Audit - Management review designed to evaluate efficiency and to identify areas in need of management improv...

Management Information Systems - Systems designed to provide information primarily concerned with the administrative functions associ...

Management Quality Circles - Participation of employees with management as a labor-management team, in decisions pertaining to th...

Management Service Organizations - Voluntarily-formed groups of healthcare professionals who join for common management services and ot...

Mandatory Programs - Programs in which participation is required....

Mandatory Reporting - A legal requirement that designated types of information acquired by professionals or institutions i...

Mandatory Testing - Testing or screening required by federal, state, or local law or other agencies for the diagnosis of...

Mandelic Acids - Analogs or derivatives of mandelic acid (alpha-hydroxybenzeneacetic acid)....

Mandible - The largest and strongest bone of the FACE constituting the lower jaw. It supports the lower teeth....

Mandibular Advancement - Moving a retruded mandible forward to a normal position. It is commonly performed for malocclusion a...

Mandibular Condyle - The posterior process on the ramus of the mandible composed of two parts: a superior part, the artic...

Mandibular Fractures - Fractures of the lower jaw....

Mandibular Injuries - Injuries to the lower jaw bone....

Mandibular Neoplasms - Tumors or cancer of the MANDIBLE....

Mandibular Nerve - A branch of the trigeminal (5th cranial) nerve. The mandibular nerve carries motor fibers to the mus...

Mandibular Prosthesis - A prosthetic appliance for the replacement of areas of the mandible missing or defective as a result...

Mandibular Prosthesis Implantation - Surgical insertion of an appliance for the replacement of areas of the mandible....

Mandibulofacial Dysostosis - A hereditary disorder occurring in two forms: the complete form (Franceschetti's syndrome) is charac...

Mandragora - Plants of the Mandragora genus in the SOLANACEAE family, including Mandragora officinarum L. and Man...

Mandrillus - A genus of the subfamily CERCOPITHECINAE, family CERCOPITHECIDAE, comprising two species: the drill ...

Manduca - A genus of sphinx or hawk moths of the family Sphingidae. These insects are used in molecular biolog...

Maneb - Manganese derivative of ethylenebisdithiocarbamate. It is used in agriculture as a fungicide and has...

Manganese - A trace element with atomic symbol Mn, atomic number 25, and atomic weight 54.94. It is concentrated...

Manganese Compounds - Inorganic chemicals that contain manganese as an integral part of the molecule....

Manganese Poisoning - Manganese poisoning is associated with chronic inhalation of manganese particles by individuals who ...

Mangifera - A plant genus of the family ANACARDIACEAE best known for the edible fruit....

Manifest Anxiety Scale - True-false questionnaire made up of items believed to indicate anxiety, in which the subject answers...

Manihot - A plant genus of the family EUPHORBIACEAE that is perennial with conspicuous, almost palmate leaves ...

Manilkara - A plant genus of the family SAPOTACEAE that bears sweet fruit....

Manipulation, Chiropractic - Procedures used by chiropractors to treat neuromusculoskeletal complaints....

Manipulation, Orthopedic - The planned and carefully managed manual movement of the musculoskeletal system, extremities, and sp...

Manipulation, Osteopathic - Musculoskeletal manipulation based on the principles of OSTEOPATHIC MEDICINE developed in 1874 by Dr...

Manipulation, Spinal - Adjustment and manipulation of the vertebral column....

Manitoba - A province of Canada, lying between the provinces of Saskatchewan and Ontario. Its capital is Winnip...

Man-Machine Systems - A system in which the functions of the man and the machine are interrelated and necessary for the op...

Mannans - Polysaccharides consisting of mannose units....

Mannheimia - Genus of bacteria in the family PASTEURELLACEAE, comprising multiple species that do not ferment tre...

Mannheimia haemolytica - A species of gram-negative, facultatively anaerobic, rod-shaped bacteria normally commensal in the f...

Mannich Bases - Ketonic amines prepared from the condensation of a ketone with formaldehyde and ammonia or a primary...

Mannitol - A diuretic and renal diagnostic aid related to sorbitol. It has little significant energy value as i...

Mannitol Dehydrogenases - Sugar alcohol dehydrogenases that have specificity for MANNITOL. Enzymes in this category are genera...

Mannitol Phosphates - Phosphoric acid esters of mannitol....

Mannoheptulose - A 7-carbon keto sugar having the mannose configuration....

Mannomustine - Nitrogen mustard derivative alkylating agent used as antineoplastic. It causes severe bone marrow de...

Mannose - A hexose or fermentable monosaccharide and isomer of glucose from manna, the ash Fraxinus ornus and ...

Mannose-6-Phosphate Isomerase - An enzyme that catalyzes the reversible isomerization of D-mannose-6-phosphate to form D-fructose-6-...

Mannose-Binding Lectin - A specific mannose-binding member of the collectin family of lectins. It binds to carbohydrate group...

Mannose-Binding Lectins - A subclass of lectins that are specific for CARBOHYDRATES that contain MANNOSE....

Mannose-Binding Protein-Associated Serine Proteases - Serum serine proteases which participate in COMPLEMENT ACTIVATION. They are activated when complexed...

Mannosephosphates - Phosphoric acid esters of mannose....

Mannosidase Deficiency Diseases - Diseases caused by the loss of one or more enzymes involved in the hydrolysis of mannoside linkages ...

Mannosidases - Glycoside hydrolases that catalyze the hydrolysis of alpha or beta linked MANNOSE....

Mannosides - Glycosides formed by the reaction of the hydroxyl group on the anomeric carbon atom of mannose with ...

Mannosyl-Glycoprotein Endo-beta-N-Acetylglucosaminidase - A group of related enzymes responsible for the endohydrolysis of the di-N-acetylchitobiosyl unit in ...

Mannosyltransferases - Enzymes that catalyze the transfer of mannose from a nucleoside diphosphate mannose to an acceptor m...

Manometry - Measurement of the pressure or tension of liquids or gases with a manometer....

Mansonella - A genus of parasitic nematodes whose organisms are distributed in Central and South America. Charact...

Mansonelliasis - Infection with nematodes of the genus MANSONELLA. Symptoms include pruritus, headache, and articular...

Mantodea - An order of insects, comprising a single family (Mantidae), restricted almost entirely to the tropic...

Manual Communication - Method of nonverbal communication utilizing hand movements as speech equivalents....

Manuals as Topic - Books designed to give factual information or instructions....

Manufactured Materials - Substances and materials manufactured for use in various technologies and industries and for domesti...

Manure - Accumulations of solid or liquid animal excreta usually from stables and barnyards with or without l...

Manuscripts - Works prepared by hand including handwritten or typescript drafts of pre-publication papers or works...

Manuscripts as Topic - Compositions written by hand, as one written before the invention or adoption of printing. A manuscr...

MAP Kinase Kinase 1 - An abundant 43-kDa mitogen-activated protein kinase kinase subtype with specificity for MITOGEN-ACTI...

MAP Kinase Kinase 2 - A 44 kDa mitogen-activated protein kinase kinase with specificity for MITOGEN-ACTIVATED PROTEIN KINA...

MAP Kinase Kinase 3 - A mitogen-activated protein kinase kinase with specificity for a subset of P38 MITOGEN-ACTIVATED PR...

MAP Kinase Kinase 4 - A mitogen-activated protein kinase kinase with specificity for JNK MITOGEN-ACTIVATED PROTEIN KINASES...

MAP Kinase Kinase 5 - A mitogen-activated protein kinase kinase with specificity for MITOGEN-ACTIVATED PROTEIN KINASE 7....

MAP Kinase Kinase 6 - A mitogen-activated protein kinase kinase with specificity for P38 MITOGEN-ACTIVATED PROTEIN KINASES...

MAP Kinase Kinase 7 - A mitogen-activated protein kinase kinase with specificity for JNK MITOGEN-ACTIVATED PROTEIN KINASES...

MAP Kinase Kinase Kinase 1 - A 195-kDa MAP kinase kinase kinase with broad specificity for MAP KINASE KINASES. It is found locali...

MAP Kinase Kinase Kinase 2 - A 70-kDa MAP kinase kinase kinase with specificity for MAP KINASE KINASE 5. It is activated during t...

MAP Kinase Kinase Kinase 3 - A 70-kDa MAPK kinase kinase with specificity for MAP KINASE KINASE 5....

MAP Kinase Kinase Kinase 4 - A 180-kDa MAP kinase kinase kinase with specificity for MAP KINASE KINASE 4 and MAP KINASE KINASE 6....

MAP Kinase Kinase Kinase 5 - A 150-kDa MAP kinase kinase kinase that may play a role in the induction of APOPTOSIS. It has specif...

MAP Kinase Kinase Kinases - Mitogen-activated protein kinase kinase kinases (MAPKKKs) are serine-threonine protein kinases that ...

MAP Kinase Signaling System - An intracellular signaling system involving the MAP kinase cascades (three-membered protein kinase c...

Maple Syrup Urine Disease - An autosomal recessive inherited disorder with multiple forms of phenotypic expression, caused by a ...

Maprotiline - A bridged-ring tetracyclic antidepressant that is both mechanistically and functionally similar to t...

Maps - Works consisting of representations, normally to scale and on a flat medium, of a selection of mater...

Maps as Topic - Representations, normally to scale and on a flat medium, of a selection of material or abstract feat...

Marantaceae - A plant family of the order ZINGIBERALES, subclass Zingiberidae, class Liliopsida....

Marasmius - A genus of tiny mushrooms in the family Tricholomataceae. They help break down the decaying organic ...

Marburg Virus Disease - An RNA virus infection of rhesus, vervet, and squirrel monkeys transmissible to man....

Marburgvirus - A genus in the family FILOVIRIDAE consisting of one species (Lake Victoria marburgvirus) with severa...

Marchantia - A liverwort plant genus of the family Marchantiaceae, order Marchantiales, subclass MARCHANTIAE. Mem...

Marchiafava-Bignami Disease - A neurodegenerative condition that is characterized by demyelination or necrosis of the CORPUS CALLO...

Mardivirus - A genus in the family HERPESVIRIDAE, subfamily ALPHAHERPESVIRINAE, associated with malignancy in bir...

Marek Disease - A transmissible viral disease of birds caused by avian herpesvirus 2 (HERPESVIRUS 2, GALLID) and oth...

Marek Disease Vaccines - Vaccines or candidate vaccines used to prevent MAREK DISEASE, an avian disease caused by a herpesvir...

Marfan Syndrome - An autosomal dominant disorder of CONNECTIVE TISSUE with abnormal features in the heart, the eye, an...

Margarine - A butterlike product made of refined vegetable oils, sometimes blended with animal fats, and emulsif...

Marijuana Abuse - The excessive use of marijuana with associated psychological symptoms and impairment in social or oc...

Marijuana Smoking - Inhaling and exhaling the smoke from CANNABIS....

Marine Biology - The study of the origin, structure, development, growth, function, genetics, and reproduction of org...

Marine Toxins - Toxic or poisonous substances elaborated by marine flora or fauna. They include also specific, chara...

Marinobacter - A genus of gram-negative, rod-shaped bacteria in the family ALTEROMONADACEAE. The inability to utili...

Marinomonas - A genus of gram-negative, aerobic bacteria in the family OCEANOSPIRILLACEAE. Members of this genus h...

Marital Status - A demographic parameter indicating a person's status with respect to marriage, divorce, widowhood, s...

Marital Therapy - A form of psychotherapy involving the husband and wife and directed to improving the marital relatio...

Marketing - Activity involved in transfer of goods from producer to consumer or in the exchange of services....

Marketing of Health Services - Application of marketing principles and techniques to maximize the use of health care resources....

Markov Chains - A stochastic process such that the conditional probability distribution for a state at any future in...

Marmota - A genus of Sciuridae consisting of 14 species. They are shortlegged, burrowing rodents which hiberna...

Marriage - The social institution involving legal and/or religious sanction whereby men and women are joined to...

Marrubium - A plant genus of the LAMIACEAE family that contains marrubiin (a labdane diterpene). It is known as ...

Mars - The fourth planet in order from the sun. Its two natural satellites are Deimos and Phobos. It is one...

Marsdenia - A plant genus of the family ASCLEPIADACEAE. Members contain pregnane glycosides (marsdekoiside & mar...

Marsileaceae - A plant family of the order Hydropteridales, class Filicopsida, division PTERIDOPHYTA. They are aqua...

Marsupialia - An infraclass of MAMMALS, also called Metatheria, where the young are born at an early stage of deve...

Martial Arts - Activities in which participants learn self-defense mainly through the use of hand-to-hand combat. J...

Martinique - An island in the Lesser Antilles, one of the Windward Islands. Its capital is Fort-de-France. It was...

Masculinity - Male-associated sex-specific social roles and behaviors unrelated to biologic function....

Masks - Devices that cover the nose and mouth to maintain aseptic conditions or to administer inhaled anesth...

Masochism - Pleasure derived from being physically or psychologically abused, whether inflicted by oneself or by...

Mason-Pfizer monkey virus - A species of BETARETROVIRUS isolated from mammary carcinoma in rhesus monkeys. It appears to have ev...

Mass Behavior - Collective behavior of an aggregate of individuals giving the appearance of unity of attitude, feeli...

Mass Casualty Incidents - Events that overwhelm the resources of local HOSPITALS and health care providers. They are likely to...

Mass Chest X-Ray - X-ray screening of large groups of persons for diseases of the lung and heart by means of radiograph...

Mass Media - Instruments or technological means of communication that reach large numbers of people with a common...

Mass Screening - Organized periodic procedures performed on large groups of people for the purpose of detecting disea...

Mass Spectrometry - An analytical method used in determining the identity of a chemical based on its mass using mass ana...

Mass Vaccination - Administration of a vaccine to large populations in order to elicit IMMUNITY....

Massage - Group of systematic and scientific manipulations of body tissues best performed with the hands for t...

Masseter Muscle - A masticatory muscle whose action is closing the jaws....

Massive Hepatic Necrosis - Extensive and rapid death of parenchymal cells in the LIVER, often due to exposure to toxic material...

Mast Cells - Granulated cells that are found in almost all tissues, most abundantly in the skin and the gastroint...

Mastadenovirus - A genus of ADENOVIRIDAE that infects MAMMALS including humans and causes a wide range of diseases. T...

Mast-Cell Sarcoma - A unifocal malignant tumor that consists of atypical pathological MAST CELLS without systemic involv...

Mastectomy, Extended Radical - Radical mastectomy with removal of the ipsilateral half of the sternum and a portion of ribs two thr...

Mastectomy, Modified Radical - Total mastectomy with axillary node dissection, but with preservation of the pectoral muscles....

Mastectomy, Radical - Removal of the breast, pectoral muscles, axillary lymph nodes, and associated skin and subcutaneous ...

Mastectomy, Segmental - Removal of only enough breast tissue to ensure that the margins of the resected surgical specimen ar...

Mastectomy, Simple - Removal of only the breast tissue and nipple and a small portion of the overlying skin....

Mastectomy, Subcutaneous - Excision of breast tissue with preservation of overlying skin, nipple, and areola so that breast for...

Mastication - The act and process of chewing and grinding food in the mouth....

Masticatory Muscles - Muscles arising in the zygomatic arch that close the jaw. Their nerve supply is masseteric from the ...

Mastitis - INFLAMMATION of the BREAST, or MAMMARY GLAND....

Mastitis, Bovine - INFLAMMATION of the UDDER in cows....

Mastocytoma - A solid tumor consisting of a dense infiltration of MAST CELLS. It is generally benign....

Mastocytoma, Skin - A variant of cutaneous mastocytosis which occurs as a single lesion usually in infants. It is found ...

Mastocytosis - A heterogenous group of disorders characterized by the abnormal increase of MAST CELLS in only the s...

Mastocytosis, Cutaneous - Skin lesions due to abnormal infiltration of MAST CELLS. Cutaneous mastocytosis is confined to the s...

Mastocytosis, Systemic - A group of disorders caused by the abnormal proliferation of MAST CELLS in a variety of extracutaneo...

Mastodons - An extinct genus of large mammals in the family Mammutidae, that fed by browsing on tall plants. Eur...

Mastoid - The posterior part of the temporal bone. It is a projection of the petrous bone....

Mastoiditis - Inflammation of the honeycomb-like MASTOID BONE in the skull just behind the ear. It is usually a co...

Masturbation - Sexual stimulation or gratification of the self....

Matched-Pair Analysis - A type of analysis in which subjects in a study group and a comparison group are made comparable wit...

Materia Medica - Materials or substances used in the composition of traditional medical remedies. The use of this ter...

Materials Management, Hospital - The management of all procurement, distribution, and storage of equipment and supplies, as well as l...

Materials Testing - The testing of materials and devices, especially those used for PROSTHESES AND IMPLANTS; SUTURES; TI...

Maternal Age - The age of the mother in PREGNANCY....

Maternal Behavior - The behavior patterns associated with or characteristic of a mother....

Maternal Deprivation - Prolonged separation of the offspring from the mother....

Maternal Exposure - Exposure of the female parent, human or animal, to potentially harmful chemical, physical, or biolog...

Maternal Health Services - Organized services to provide health care to expectant and nursing mothers....

Maternal Mortality - Maternal deaths resulting from complications of pregnancy and childbirth in a given population....

Maternal Nutritional Physiological Phenomena - Nutrition of a mother which affects the health of the FETUS and INFANT as well as herself....

Maternal Welfare - Organized efforts by communities or organizations to improve the health and well-being of the mother...

Maternal-Child Health Centers - Facilities which administer the delivery of health care services to mothers and children....

Maternal-Child Nursing - The nursing specialty that deals with the care of women throughout their pregnancy and childbirth an...

Maternal-Fetal Exchange - Exchange of substances between the maternal blood and the fetal blood at the PLACENTA via PLACENTAL ...

Maternal-Fetal Relations - The bond or lack thereof between a pregnant woman and her FETUS....

Mathematical Computing - Computer-assisted interpretation and analysis of various mathematical functions related to a particu...

Mathematical Concepts - Numeric or quantitative entities, descriptions, properties, relationships, operations, and events....

Mathematics - The deductive study of shape, quantity, and dependence. (From McGraw-Hill Dictionary of Scientific ...

Mating Preference, Animal - The selection or choice of sexual partner in animals. Often this reproductive preference is based on...

Matricaria - A plant genus of the family ASTERACEAE. M. chamomilla appears similar to Anthemis but this flower di...

Matrix Attachment Region Binding Proteins - Proteins that bind to the MATRIX ATTACHMENT REGIONS of DNA....

Matrix Attachment Regions - Regions of the CHROMATIN or DNA that bind to the NUCLEAR MATRIX. They are found in INTERGENIC DNA, e...

Matrix Bands - Devices which provide an artificial temporary wall, or matrix, used in filling a prepared cavity....

Matrix Metalloproteinase 1 - A member of the metalloproteinase family of enzymes that is principally responsible for cleaving FIB...

Matrix Metalloproteinase 10 - A secreted matrix metalloproteinase that may play a role in matrix degradation during WOUND HEALING....

Matrix Metalloproteinase 11 - A secreted matrix metalloproteinase that is believed to play a role in EXTRACELLULAR MATRIX remodeli...

Matrix Metalloproteinase 12 - A secreted matrix metalloproteinase which is highly expressed by MACROPHAGES where it may play a rol...

Matrix Metalloproteinase 13 - A secreted matrix metalloproteinase that plays a physiological role in the degradation of extracellu...

Matrix Metalloproteinase 14 - A transmembrane domain-containing matrix metalloproteinase. It is synthesized as an inactive zymogen...

Matrix Metalloproteinase 15 - A transmembrane domain-containing matrix metalloproteinase that plays a role in the cleavage of prot...

Matrix Metalloproteinase 16 - A transmembrane domain-containing matrix metalloproteinase. It is synthesized as an inactive zymogen...

Matrix Metalloproteinase 17 - A membrane-type metalloproteinase that is associated with the CELL MEMBRANE via a GLYCOSYL-PHOSPHATI...

Matrix Metalloproteinase 2 - A secreted endopeptidase homologous with INTERSTITIAL COLLAGENASE, but which possesses an additional...

Matrix Metalloproteinase 20 - A secreted matrix metalloproteinase that is the predominant proteolytic activity in the enamel matri...

Matrix Metalloproteinase 3 - An extracellular endopeptidase of vertebrate tissues similar to MATRIX METALLOPROTEINASE 1. It diges...

Matrix Metalloproteinase 7 - The smallest member of the MATRIX METALLOPROTEINASES. It plays a role in tumor progression....

Matrix Metalloproteinase 8 - A member of the MATRIX METALLOPROTEINASES that cleaves triple-helical COLLAGEN types I, II, and III....

Matrix Metalloproteinase 9 - An endopeptidase that is structurally similar to MATRIX METALLOPROTEINASE 2. It degrades GELATIN typ...

Matrix Metalloproteinases - A family of zinc-dependent metalloendopeptidases that are involved in the degradation of EXTRACELLUL...

Matrix Metalloproteinases, Membrane-Associated - Matrix metalloproteinases that are associated with the CELL MEMBRANE, either through transmembrane d...

Matrix Metalloproteinases, Secreted - A subclass of matrix metalloproteinases that are secreted into the pericellular space....

Maturation-Promoting Factor - Protein kinase that drives both the mitotic and meiotic cycles in all eukaryotic organisms. In meios...

Mauritania - A republic in western Africa, southwest of ALGERIA and west of MALI. Its capital is Nouakchott....

Mauritius - One of the Indian Ocean Islands, east of Madagascar. Its capital is Port Louis. It was discovered by...

Maus Elberfeld virus - A strain of ENCEPHALOMYOCARDITIS VIRUS, a species of CARDIOVIRUS, usually causing an inapparent inte...

Maxilla - One of a pair of irregularly shaped bones that form the upper jaw. A maxillary bone provides tooth s...

Maxillary Artery - A branch of the external carotid artery which distributes to the deep structures of the face (intern...

Maxillary Fractures - Fractures of the upper jaw....

Maxillary Neoplasms - Cancer or tumors of the MAXILLA or upper jaw....

Maxillary Nerve - The intermediate sensory division of the trigeminal (5th cranial) nerve. The maxillary nerve carries...

Maxillary Sinus - The air space located in the body of the MAXILLARY BONE near each cheek. Each maxillary sinus commun...

Maxillary Sinus Neoplasms - Tumors or cancer of the MAXILLARY SINUS. They represent the majority of paranasal neoplasms....

Maxillary Sinusitis - Inflammation of the NASAL MUCOSA in the MAXILLARY SINUS. In many cases, it is caused by an infection...

Maxillofacial Abnormalities - Congenital structural deformities, malformations, or other abnormalities of the maxilla and face or ...

Maxillofacial Development - The process of growth and differentiation of the jaws and face....

Maxillofacial Injuries - General or unspecified injuries involving the face and jaw (either upper, lower, or both)....

Maxillofacial Prosthesis - A prosthetic appliance for the replacement of areas of the maxilla, mandible, and face, missing as a...

Maxillofacial Prosthesis Implantation - Surgical insertion of an appliance for the replacement of areas of the maxilla, mandible, and face. ...

Maximal Expiratory Flow Rate - The airflow rate measured during the first liter expired after the first 200 ml have been exhausted ...

Maximal Expiratory Flow-Volume Curves - Curves depicting MAXIMAL EXPIRATORY FLOW RATE, in liters/second, versus lung inflation, in liters or...

Maximal Midexpiratory Flow Rate - Measurement of rate of airflow over the middle half of a FORCED VITAL CAPACITY determination (from t...

Maximal Voluntary Ventilation - Measure of the maximum amount of air that can be breathed in and blown out over a sustained interval...

Maximum Allowable Concentration - The maximum exposure to a biologically active physical or chemical agent that is allowed during an 8...

Maximum Tolerated Dose - The highest dose of a biologically active agent given during a chronic study that will not reduce lo...

Maytansine - An ansa macrolide isolated from the MAYTENUS genus of East African shrubs....

Maytenus - A plant genus of the family CELASTRACEAE....

Maze Learning - Learning the correct route through a maze to obtain reinforcement. It is used for human or animal po...

Mazindol - Tricyclic anorexigenic agent unrelated to and less toxic than AMPHETAMINE, but with some similar sid...

MCM1 Protein - A sequence-specific DNA-binding protein that plays an essential role as a global regulator of yeast ...

Measles - A highly contagious infectious disease caused by MORBILLIVIRUS, common among children but also seen ...

Measles Vaccine - A live attenuated virus vaccine of chick embryo origin, used for routine immunization of children an...

Measles virus - The type species of MORBILLIVIRUS and the cause of the highly infectious human disease MEASLES, whic...

Measles-Mumps-Rubella Vaccine - A combined vaccine used to prevent MEASLES; MUMPS; and RUBELLA....

Meat - The edible portions of any animal used for food including domestic mammals (the major ones being cat...

Meat Products - Articles of food which are derived by a process of manufacture from any portion of carcasses of any ...

Meat-Packing Industry - The aggregate enterprise of technically producing packaged meat....

Mebendazole - A benzimidazole that acts by interfering with CARBOHYDRATE METABOLISM and inhibiting polymerization ...

Mecamylamine - A nicotinic antagonist that is well absorbed from the gastrointestinal tract and crosses the blood-b...

Mechanical Phenomena - The properties and processes of materials that affect their behavior under force....

Mechanical Processes - The behaviors of materials under force....

Mechanics - The branch of physics which deals with the motions of material bodies, including kinematics, dynamic...

Mechanoreceptors - Cells specialized to transduce mechanical stimuli and relay that information centrally in the nervou...

Mechanotransduction, Cellular - The process by which cells convert mechanical stimuli into a chemical response. It can occur in both...

Mechlorethamine - A vesicant and necrotizing irritant destructive to mucous membranes. It was formerly used as a war g...

Meckel Diverticulum - A congenital abnormality characterized by the outpouching or sac formation in the ILEUM. It is a rem...

Meclizine - A histamine H1 antagonist used in the treatment of motion sickness, vertigo, and nausea during pregn...

Meclofenamic Acid - A non-steroidal anti-inflammatory agent with antipyretic and antigranulation activities. It also inh...

Meclofenoxate - A drug composed of DIMETHYLAMINOETHANOL and parachlorphenoxyacetic acid (PCPA)....

Meconium - The thick green-to-black mucilaginous material found in the intestines of a full-term fetus. It cons...

Meconium Aspiration Syndrome - A condition caused by inhalation of MECONIUM into the LUNG of FETUS or NEWBORN, usually due to vigor...

Medazepam - A benzodiazepine derivative used in the treatment of anxiety. It has sedative, muscle relaxant, and ...

Medetomidine - An agonist of RECEPTORS, ADRENERGIC ALPHA-2 that is used in veterinary medicine for its analgesic an...

Medial Collateral Ligament, Knee - The ligament that travels from the medial epicondyle of the FEMUR to the medial margin and medial su...

Medial Forebrain Bundle - A complex group of fibers arising from the basal olfactory regions, the periamygdaloid region, and t...

Median Eminence - Raised area at the infundibular region of the HYPOTHALAMUS at the floor of the BRAIN, ventral to the...

Median Nerve - A major nerve of the upper extremity. In humans, the fibers of the median nerve originate in the low...

Median Neuropathy - Disease involving the median nerve, from its origin at the BRACHIAL PLEXUS to its termination in the...

Mediastinal Cyst - Cysts of one of the parts of the mediastinum: the superior part, containing the trachea, esophagus, ...

Mediastinal Diseases - Disorders of the mediastinum, general or unspecified....

Mediastinal Emphysema - Presence of air in the mediastinal tissues due to leakage of air from the tracheobronchial tree, usu...

Mediastinal Neoplasms - Tumors or cancer of the MEDIASTINUM....

Mediastinitis - Inflammation of the mediastinum, the area between the pleural sacs....

Mediastinoscopes - Endoscopes for examining tissue of the anterior superior mediastinum....

Mediastinoscopy - Endoscopic examination, therapy or surgery of the anterior superior mediastinum of the thorax....

Mediator Complex - A large protein complex which acts as a signaling adaptor protein that allows communication between ...

Mediator Complex Subunit 1 - A mediator complex subunit that is believed to play a key role in the coactivation of nuclear recept...

Medicago - A plant genus of the family FABACEAE. It is distinct from Sweet Clover (MELILOTUS), from Bush Clove...

Medicago sativa - A plant species of the family FABACEAE widely cultivated for animal feed....

Medicago truncatula - A plant species of the family FABACEAE used to study GENETICS because it is DIPLOID, self fertile, h...

Medicaid - Federal program, created by Public Law 89-97, Title XIX, a 1965 amendment to the Social Security Act...

Medical Assistance - Financing of medical care provided to public assistance recipients....

Medical Audit - A detailed review and evaluation of selected clinical records by qualified professional personnel fo...

Medical Device Recalls - Removal of a MEDICAL DEVICE from the market due to a problem occurring in the manufacture or distrib...

Medical Errors - Errors or mistakes committed by health professionals which result in harm to the patient. They inclu...

Medical Futility - The absence of a useful purpose or useful result in a diagnostic procedure or therapeutic interventi...

Medical Illustration - The field which deals with illustrative clarification of biomedical concepts, as in the use of diagr...

Medical Indigency - The condition in which individuals are financially unable to access adequate medical care without de...

Medical Informatics - The field of information science concerned with the analysis and dissemination of medical data throu...

Medical Informatics Applications - Automated systems applied to the patient care process including diagnosis, therapy, and systems of c...

Medical Informatics Computing - Precise procedural mathematical and logical operations utilized in the study of medical information ...

Medical Missions, Official - Travel by a group of physicians to a foreign country for the purpose of making a special study or of...

Medical Office Buildings - Office and laboratory facilities constructed for the use of physicians and other health personnel....

Medical Oncology - A subspecialty of internal medicine concerned with the study of neoplasms....

Medical Order Entry Systems - Information systems, usually computer-assisted, that enable providers to initiate medical procedures...

Medical Receptionists - Individuals who receive patients in a medical office....

Medical Record Administrators - Individuals professionally qualified in the management of patients' records. Duties may include plan...

Medical Record Linkage - The creation and maintenance of medical and vital records in multiple institutions in a manner that ...

Medical Records - Recording of pertinent information concerning patient's illness or illnesses....

Medical Records Department, Hospital - Hospital department responsible for the creating, care, storage and retrieval of medical records. It...

Medical Records Systems, Computerized - Computer-based systems for input, storage, display, retrieval, and printing of information contained...

Medical Records, Problem-Oriented - A system of record keeping in which a list of the patient's problems is made and all history, physic...

Medical Savings Accounts - Tax-exempt trusts or custodial accounts established by individuals with financial institutions for s...

Medical Secretaries - Individuals responsible for various duties pertaining to the medical office routine....

Medical Staff - Professional medical personnel who provide care to patients in an organized facility, institution or...

Medical Staff Privileges - Those rights or activities which are specific to members of the institution's medical staff, includi...

Medical Staff, Hospital - Professional medical personnel approved to provide care to patients in a hospital....

Medical Subject Headings - Controlled vocabulary thesaurus produced by the NATIONAL LIBRARY OF MEDICINE. It consists of sets of...

Medical Tourism - Travel to another country for the purpose of medical treatment....

Medical Waste - Blood, mucus, tissue removed at surgery or autopsy, soiled surgical dressings, and other materials r...

Medical Waste Disposal - Management, removal, and elimination of biologic, infectious, pathologic, and dental waste. The conc...

Medically Underserved Area - A geographic location which has insufficient health resources (manpower and/or facilities) to meet t...

Medically Uninsured - Individuals or groups with no or inadequate health insurance coverage. Those falling into this categ...

Medicare - Federal program, created by Public Law 89-97, Title XVIII-Health Insurance for the Aged, a 1965 amen...

Medicare Assignment - Concept referring to the standardized fees for services rendered by health care providers, e.g., lab...

Medicare Part A - The compulsory portion of Medicare that is known as the Hospital Insurance Program. All persons 65 y...

Medicare Part B - The voluntary portion of Medicare, known as the Supplementary Medical Insurance (SMI) Program, that ...

Medicare Part C - The Balanced Budget Act (BBA) of 1997 establishes a Medicare+Choice program under part C of Title XV...

Medicare Part D - A stand-alone drug plan offered by insurers and other private companies to beneficiaries that receiv...

Medicare Payment Advisory Commission - The Commission was created by the Balanced Budget Act of 1997 under Title XVIII. It is specifically ...

Medication Adherence - Voluntary cooperation of the patient in taking drugs or medicine as prescribed. This includes timing...

Medication Errors - Errors in prescribing, dispensing, or administering medication with the result that the patient fail...

Medication Systems - Overall systems, traditional or automated, to provide medication to patients....

Medication Systems, Hospital - Overall systems, traditional or automated, to provide medication to patients in hospitals. Elements ...

Medication Therapy Management - Assistance in managing and monitoring drug therapy for patients receiving treatment for cancer or ch...

Medicine - The art and science of studying, performing research on, preventing, diagnosing, and treating diseas...

Medicine Chests - Boxes in which physicians kept their drugs and other medications, medical instruments and supplies, ...

Medicine, African Traditional - A system of traditional medicine which is based on the beliefs and practices of the African peoples....

Medicine, Ayurvedic - The traditional Hindu system of medicine which is based on customs, beliefs, and practices of the Hi...

Medicine, Chinese Traditional - A system of traditional medicine which is based on the beliefs and practices of the Chinese culture....

Medicine, East Asian Traditional - Medical practice or discipline that is based on the knowledge, cultures, and beliefs of the people i...

Medicine, Kampo - System of herbal medicine practiced in Japan by both herbalists and practitioners of modern medicine...

Medicine, Korean Traditional - Medical practice or discipline that is based on the knowledge, cultures, and beliefs of the people o...

Medicine, Mongolian Traditional - Medical practice indigenous to the peoples of Mongolia, developed over many years according to their...

Medicine, Tibetan Traditional - A system of traditional medicine which is based on the beliefs and practices of the Tibetan culture....

Medicine, Traditional - Systems of medicine based on cultural beliefs and practices handed down from generation to generatio...

Medicine, Unani - A modified Greco-Arabic medical system flourishing today as unani medicine. It was the product of Ar...

Medigoxin - A semisynthetic digitalis glycoside with the general properties of DIGOXIN but more rapid onset of a...

Mediodorsal Thalamic Nucleus - The largest of the medial nuclei of the thalamus. It makes extensive connections with most of the ot...

Meditation - A state of consciousness in which the individual eliminates environmental stimuli from awareness so ...

Mediterranean Islands - Scattered islands in the Mediterranean Sea. The chief islands are the Balearic Islands (belong to Sp...

Mediterranean Region - The MEDITERRANEAN SEA, the MEDITERRANEAN ISLANDS, and the countries bordering on the sea collectivel...

MEDLARS - A computerized biomedical bibliographic storage and retrieval system operated by the NATIONAL LIBRAR...

MEDLINE - The premier bibliographic database of the NATIONAL LIBRARY OF MEDICINE. MEDLINE® (MEDLARS Online) is...

MedlinePlus - NATIONAL LIBRARY OF MEDICINE service for health professionals and consumers. It links extensive info...

Medrogestone - 6,17-Dimethylpregna-4,6-diene-3,20-dione. A synthetic progestational hormone with actions similar to...

Medroxyprogesterone - (6 alpha)-17-Hydroxy-6-methylpregn-4-ene-3,20-dione. A synthetic progestational hormone used in vete...

Medroxyprogesterone Acetate - A synthetic progestin that is derived from 17-hydroxyprogesterone. It is a long-acting contraceptive...

Medulla Oblongata - The lower portion of the BRAIN STEM. It is inferior to the PONS and anterior to the CEREBELLUM. Medu...

Medullary Sponge Kidney - A non-hereditary KIDNEY disorder characterized by the abnormally dilated (ECTASIA) medullary and inn...

Medulloblastoma - A malignant neoplasm that may be classified either as a glioma or as a primitive neuroectodermal tum...

Meeting Abstracts - For individual abstracts of presentations at meetings, congresses, conferences, symposia, colloquia,...

Mefenamic Acid - A non-steroidal anti-inflammatory agent with analgesic, anti-inflammatory, and antipyretic propertie...

Mefloquine - A phospholipid-interacting antimalarial drug (ANTIMALARIALS). It is very effective against PLASMODI...

Mefruside - A benzene-sulfonamide-furan. It is used as a diuretic that affects the concentrating ability of the ...

Megacins - Bacteriocins elaborated by mutant strains of Bacillus megaterium. They are protein or protein-lipopo...

Megacolon - Dilatation of the COLON, often to alarming dimensions. There are various types of megacolon includin...

Megacolon, Toxic - An acute form of MEGACOLON, severe pathological dilatation of the COLON. It is associated with clini...

Megakaryocyte Progenitor Cells - The parent cells that give rise to cells in the MEGAKARYOCYTE lineage, and ultimately BLOOD PLATELET...

Megakaryocyte-Erythroid Progenitor Cells - The parent cells that give rise to both cells of the MEGAKARYOCYTE and the ERYTHROCYTE lineages....

Megakaryocytes - Very large BONE MARROW CELLS which release mature BLOOD PLATELETS....

Megaloblasts - Red blood cell precursors, corresponding to ERYTHROBLASTS, that are larger than normal, usually resu...

Megasphaera - A genus of gram-negative bacteria in the family ACIDAMINOCOCCACEAE, found in the RUMEN of SHEEP and ...

Megestrol - 17-Hydroxy-6-methylpregna-3,6-diene-3,20-dione. A progestational hormone used most commonly as the a...

Megestrol Acetate - Megestrol acetate is a progestogen with actions and uses similar to those of the progestogens in gen...

Meglumine - 1-Deoxy-1-(methylamino)-D-glucitol. A derivative of sorbitol in which the hydroxyl group in position...

Meglutol - An antilipemic agent which lowers cholesterol, triglycerides, serum beta-lipoproteins and phospholip...

Meibomian Glands - The sebaceous glands situated on the inner surface of the eyelids between the tarsal plates and CONJ...

Meige Syndrome - A syndrome characterized by orofacial DYSTONIA; including BLEPHAROSPASM; forceful jaw opening; lip r...

Meigs Syndrome - The triad of benign FIBROMA or other ovarian tumors with ASCITES, and HYDROTHORAX due to large PLEUR...

Meiosis - A type of CELL NUCLEUS division, occurring during maturation of the GERM CELLS. Two successive cell ...

Meiotic Prophase I - The prophase of the first division of MEIOSIS (in which homologous CHROMOSOME SEGREGATION occurs). I...

Mekong Valley - The geographic area of the Mekong Valley in general or when the specific country or countries are no...

Melaleuca - A plant genus of the family MYRTACEAE. M. alternifolia foliage is a source of TEA TREE OIL. The comm...

Melanesia - The collective name for the islands of the Pacific Ocean northeast of Australia, including NEW CALED...

Melanins - Insoluble polymers of TYROSINE derivatives found in and causing darkness in skin (SKIN PIGMENTATION)...

Melanocortins - Peptides derived from pro-opiomelanocortin (POMC) which can stimulate MELANOCYTES or CORTICOTROPHS. ...

Melanocytes - Mammalian pigment cells that produce MELANINS, pigments found mainly in the EPIDERMIS, but also in t...

Melanocyte-Stimulating Hormones - Peptides with the ability to stimulate pigmented cells MELANOCYTES in mammals and MELANOPHORES in lo...

Melanoma - A malignant neoplasm derived from cells that are capable of forming melanin, which may occur in the ...

Melanoma, Amelanotic - An unpigmented malignant melanoma. It is an anaplastic melanoma consisting of cells derived from mel...

Melanoma, Experimental - Experimentally induced tumor that produces MELANIN in animals to provide a model for studying human ...

Melanophores - Chromatophores (large pigment cells of fish, amphibia, reptiles and many invertebrates) which contai...

Melanosis - Disorders of increased melanin pigmentation that develop without preceding inflammatory disease....

Melanosomes - Melanin-containing organelles found in melanocytes and melanophores....

Melanotrophs - Neuroendocrine cells in the INTERMEDIATE LOBE OF PITUITARY. They produce MELANOCYTE STIMULATING HORM...

Melarsoprol - Arsenical used in trypanosomiases. It may cause fatal encephalopathy and other undesirable side effe...

MELAS Syndrome - A mitochondrial disorder characterized by focal or generalized seizures, episodes of transient or pe...

Melastomataceae - A plant family of the order Myrtales, subclass Rosidae, class Magnoliopsida composed of tropical pla...

Melatonin - A biogenic amine that is found in animals and plants. In mammals, melatonin is produced by the PINEA...

Melena - The black, tarry, foul-smelling FECES that contain degraded blood....

Melengestrol Acetate - A 6-methyl PROGESTERONE acetate with reported glucocorticoid activity and effect on ESTRUS....

Melia - A plant genus of the family MELIACEAE. Members contain meliavolkinin, melianin C and limonoids....

Melia azedarach - A plant species of the genus MELIA, family MELIACEAE, which is toxic to insects. The name is very si...

Meliaceae - The mahogany plant family of the order Sapindales, subclass Rosidae, class Magnoliopsida....

Melibiose - A disaccharide consisting of one galactose and one glucose moiety in an alpha (1-6) glycosidic linka...

Melilotus - A plant genus of the family FABACEAE....

Melioidosis - A disease of humans and animals that resembles GLANDERS. It is caused by BURKHOLDERIA PSEUDOMALLEI a...

Melissa - A plant genus of the family LAMIACEAE. The common names of beebalm or lemonbalm are also used for MO...

Melitten - Basic polypeptide from the venom of the honey bee (Apis mellifera). It contains 26 amino acids, has ...

Melkersson-Rosenthal Syndrome - An idiopathic syndrome characterized by one or more of the following; recurrent orofacial swelling, ...

Melopsittacus - A genus, commonly called budgerigars, in the family PSITTACIDAE. In the United States they are consi...

Melorheostosis - A form of osteosclerosis or hyperostosis extending in a linear track through one of the long bones o...

Melphalan - An alkylating nitrogen mustard that is used as an antineoplastic in the form of the levo isomer - ME...

Memantine - AMANTADINE derivative that has some dopaminergic effects. It has been proposed as an antiparkinson a...

Membrane Fluidity - The motion of phospholipid molecules within the lipid bilayer, dependent on the classes of phospholi...

Membrane Fusion - The adherence and merging of cell membranes, intracellular membranes, or artificial membranes to eac...

Membrane Fusion Proteins - Proteins that catalyze MEMBRANE FUSION....

Membrane Glycoproteins - Glycoproteins found on the membrane or surface of cells....

Membrane Lipids - Lipids, predominantly phospholipids, cholesterol and small amounts of glycolipids found in membranes...

Membrane Microdomains - Detergent-insoluble CELL MEMBRANE components. They are enriched in SPHINGOLIPIDS and CHOLESTEROL and...

Membrane Potential, Mitochondrial - The voltage difference, normally maintained at approximately -180mV, across the INNER MITOCHONDRIAL ...

Membrane Potentials - The voltage differences across a membrane. For cellular membranes they are computed by subtracting t...

Membrane Proteins - Proteins which are found in membranes including cellular and intracellular membranes. They consist o...

Membrane Transport Modulators - Agents that affect ION PUMPS; ION CHANNELS; ABC TRANSPORTERS; and other MEMBRANE TRANSPORT PROTEINS....

Membrane Transport Proteins - Membrane proteins whose primary function is to facilitate the transport of molecules across a biolog...

Membranes - Thin layers of tissue which cover parts of the body, separate adjacent cavities, or connect adjacent...

Membranes, Artificial - Artificially produced membranes, such as semipermeable membranes used in artificial kidney dialysis ...

Memory - Complex mental function having four distinct phases: (1) memorizing or learning, (2) retention, (3) ...

Memory Disorders - Disturbances in registering an impression, in the retention of an acquired impression, or in the rec...

Memory, Short-Term - Temporary storage of information for a few seconds to hours, as opposed to long-term memory which re...

Men - Human adult males as cultural, psychological, sociological, political, and economic entities....

Menarche - The first MENSTRUAL CYCLE marked by the initiation of MENSTRUATION....

Mendelevium - Mendelevium. A man-made radioactive element of the actinide family with atomic symbol Md, atomic num...

Mendelian Randomization Analysis - The use of the GENETIC VARIATION of known functions or phenotypes to correlate the causal effects of...

Mengovirus - A strain of ENCEPHALOMYOCARDITIS VIRUS, a species of CARDIOVIRUS, isolated from rodents and lagomorp...

Meniere Disease - A disease of the inner ear (LABYRINTH) that is characterized by fluctuating SENSORINEURAL HEARING LO...

Meningeal Arteries - Arteries which supply the dura mater....

Meningeal Carcinomatosis - Primary or secondary neoplasm in the ARACHNOID or SUBARACHNOID SPACE. It appears as a diffuse fibrot...

Meningeal Neoplasms - Benign and malignant neoplastic processes that arise from or secondarily involve the meningeal cover...

Meninges - The three membranes that cover the BRAIN and the SPINAL CORD. They are the dura mater, the arachnoid...

Meningioma - A relatively common neoplasm of the CENTRAL NERVOUS SYSTEM that arises from arachnoidal cells. The m...

Meningism - A condition characterized by neck stiffness, headache, and other symptoms suggestive of meningeal ir...

Meningitis - Inflammation of the coverings of the brain and/or spinal cord, which consist of the PIA MATER; ARACH...

Meningitis, Aseptic - A syndrome characterized by headache, neck stiffness, low grade fever, and CSF lymphocytic pleocytos...

Meningitis, Bacterial - Bacterial infections of the leptomeninges and subarachnoid space, frequently involving the cerebral ...

Meningitis, Cryptococcal - Meningeal inflammation produced by CRYPTOCOCCUS NEOFORMANS, an encapsulated yeast that tends to infe...

Meningitis, Escherichia coli - A form of gram-negative meningitis that tends to occur in neonates, in association with anatomical a...

Meningitis, Fungal - Meningitis caused by fungal agents which may occur as OPPORTUNISTIC INFECTIONS or arise in immunocom...

Meningitis, Haemophilus - BACTERIAL INFECTIONS of the nervous system caused by HAEMOPHILUS organisms, and marked by prominent ...

Meningitis, Listeria - Inflammation of the meninges caused by LISTERIA MONOCYTOGENES infection, usually occurring in indivi...

Meningitis, Meningococcal - A fulminant infection of the meninges and subarachnoid fluid by the bacterium NEISSERIA MENINGITIDIS...

Meningitis, Pneumococcal - An acute purulent infection of the meninges and subarachnoid space caused by Streptococcus pneumonia...

Meningitis, Viral - Viral infections of the leptomeninges and subarachnoid space. TOGAVIRIDAE INFECTIONS; FLAVIVIRIDAE I...

Meningocele - A congenital or acquired protrusion of the meninges, unaccompanied by neural tissue, through a bony ...

Meningococcal Infections - Infections with bacteria of the species NEISSERIA MENINGITIDIS....

Meningococcal Vaccines - Vaccines or candidate vaccines used to prevent infection with NEISSERIA MENINGITIDIS....

Meningoencephalitis - An inflammatory process involving the brain (ENCEPHALITIS) and meninges (MENINGITIS), most often pro...

Meningomyelocele - Congenital, or rarely acquired, herniation of meningeal and spinal cord tissue through a bony defect...

Menisci, Tibial - The interarticular fibrocartilages of the superior surface of the tibia....

Menispermaceae - A plant family of the order Ranunculales, subclass Magnoliidae, class Magnoliopsida. Members are mos...

Menispermum - A plant genus of the family MENISPERMACEAE. Members contain dauricine and other ALKALOIDS....

Menkes Kinky Hair Syndrome - An inherited disorder of copper metabolism transmitted as an X-linked trait and characterized by the...

Menogaril - A semisynthetic anthracycline with the amino sugar on the D ring. It displays broad-spectrum antineo...

Menopause - The last menstrual period. Permanent cessation of menses (MENSTRUATION) is usually defined after 6 t...

Menopause, Premature - The premature cessation of menses (MENSTRUATION) when the last menstrual period occurs in a woman un...

Menorrhagia - Excessive uterine bleeding during MENSTRUATION....

Menotropins - Extracts of urine from menopausal women that contain high concentrations of pituitary gonadotropins,...

Men's Health - The concept covering the physical and mental conditions of men....

Menstrual Cycle - The period from onset of one menstrual bleeding (MENSTRUATION) to the next in an ovulating woman or ...

Menstrual Hygiene Products - Personal care items used during MENSTRUATION....

Menstruation - The periodic shedding of the ENDOMETRIUM and associated menstrual bleeding in the MENSTRUAL CYCLE of...

Menstruation Disturbances - Variations of menstruation which may be indicative of disease....

Menstruation-Inducing Agents - Chemical compounds that induce menstruation either through direct action on the reproductive organs ...

Mental Competency - The ability to understand the nature and effect of the act in which the individual is engaged. (From...

Mental Disorders - Psychiatric illness or diseases manifested by breakdowns in the adaptational process expressed prima...

Mental Disorders Diagnosed in Childhood - Those psychiatric disorders usually first diagnosed in infancy, childhood, or adolescence. These dis...

Mental Fatigue - A condition of low alertness or cognitive impairment, usually associated with prolonged mental activ...

Mental Healing - The use of mind to cure disease, particularly physical illness....

Mental Health - The state wherein the person is well adjusted....

Mental Health Associations - Voluntary organizations which support educational programs and research in psychiatry with the objec...

Mental Health Services - Organized services to provide mental health care....

Mental Processes - Conceptual functions or thinking in all its forms....

Mental Recall - The process whereby a representation of past experience is elicited....

Mental Retardation - Subnormal intellectual functioning which originates during the developmental period. This has multip...

Mental Retardation, X-Linked - A class of genetic disorders resulting in mental retardation that is associated either with mutation...

Mental Status Schedule - Standardized clinical interview used to assess current psychopathology by scaling patient responses ...

Mentally Disabled Persons - Persons diagnosed as having significantly lower than average intelligence and considerable problems ...

Mentally Ill Persons - Persons with psychiatric illnesses or diseases, particularly psychotic and severe mood disorders....

Mentha - Mentha is a genus of the mint family (LAMIACEAE). It is known for species having characteristic fla...

Mentha piperita - A plant genus of the family LAMIACEAE that is the source of peppermint oil....

Mentha pulegium - A plant genus of the family LAMIACEAE that contains pulegone. Do not confuse with 'American false pe...

Mentha spicata - A plant genus of the family LAMIACEAE having characteristic flavor....

Menthol - An alcohol produced from mint oils or prepared synthetically....

Mentors - Senior professionals who provide guidance, direction and support to those persons desirous of improv...

Mepartricin - Polyene macrolide antibiotic with unknown composition. It is obtained from Streptomyces aureofaciens...

Meperidine - A narcotic analgesic that can be used for the relief of most types of moderate to severe pain, inclu...

Mephenesin - A centrally acting muscle relaxant with a short duration of action....

Mephentermine - A sympathomimetic agent with mainly indirect effects on adrenergic receptors. It is used to maintain...

Mephenytoin - An anticonvulsant effective in tonic-clonic epilepsy (EPILEPSY, TONIC-CLONIC). It may cause blood dy...

Mephitidae - The family of omnivorous New World skunks, showing typical warning coloration of patterned black and...

Mephobarbital - A barbiturate that is metabolized to PHENOBARBITAL. It has been used for similar purposes, especiall...

Mepivacaine - A local anesthetic that is chemically related to BUPIVACAINE but pharmacologically related to LIDOCA...

Meprobamate - A carbamate with hypnotic, sedative, and some muscle relaxant properties, although in therapeutic do...

Meptazinol - A narcotic antagonist with analgesic properties. It is used for the control of moderate to severe pa...

Merbromin - A once-popular mercury containing topical antiseptic....

Mercenaria - A genus of hard-shelled clams in the family Veneridae, class BIVALVIA, commonly called quahogs. They...

Mercuribenzoates - Mercury-containing benzoic acid derivatives....

Mercuric Chloride - Mercury chloride (HgCl2). A highly toxic compound that volatizes slightly at ordinary temperature an...

Mercury - A silver metallic element that exists as a liquid at room temperature. It has the atomic symbol Hg (...

Mercury (Planet) - The first planet in order from the sun. It has no known natural satellites. It is one of the four in...

Mercury Compounds - Inorganic compounds that contain mercury as an integral part of the molecule....

Mercury Isotopes - Stable mercury atoms that have the same atomic number as the element mercury, but differ in atomic w...

Mercury Poisoning, Nervous System - Neurologic disorders associated with exposure to inorganic and organic forms of MERCURY. Acute intox...

Mercury Radioisotopes - Unstable isotopes of mercury that decay or disintegrate emitting radiation. Hg atoms with atomic wei...

Meridians - Classical loci in ACUPUNCTURE. They are main and collateral channels, regarded as a network of passa...

Meristem - A group of plant cells that are capable of dividing infinitely and whose main function is the produc...

Merkel Cells - Modified epidermal cells located in the stratum basale. They are found mostly in areas where sensory...

Mermithoidea - A superfamily of nematodes of the order ENOPLIDA. Characteristics include a reduced alimentary tract...

Merozoite Surface Protein 1 - A surface protein found on Plasmodium species which induces a T-cell response. The antigen is polymo...

Merozoites - Uninuclear cells or a stage in the life cycle of sporozoan protozoa. Merozoites, released from rupt...

MERRF Syndrome - A mitochondrial encephalomyopathy characterized clinically by a mixed seizure disorder, myoclonus, p...

Mersalyl - A toxic thiol mercury salt formerly used as a diuretic. It inhibits various biochemical functions, e...

Mesalamine - An anti-inflammatory agent, structurally related to the SALICYLATES, which is active in INFLAMMATORY...

Mesangial Cells - Smooth muscle-like cells adhering to the wall of the small blood vessels of the KIDNEY at the glomer...

Mescaline - Hallucinogenic alkaloid isolated from the flowering heads (peyote) of Lophophora (formerly Anhaloniu...

Mesembryanthemum - A plant genus of the family AIZOACEAE. It is a native of Africa and widely planted for erosion contr...

Mesencephalon - The middle of the three primitive cerebral vesicles of the embryonic brain. Without further subdivis...

Mesenchymal Stem Cell Transplantation - Transfer of MESENCHYMAL STEM CELLS between individuals within the same species (TRANSPLANTATION, HOM...

Mesenchymal Stem Cells - Cells that can develop into distinct mesenchymal tissue such as BONE; TENDONS; MUSCLES; ADIPOSE TISS...

Mesenchymoma - A mixed mesenchymal tumor composed of two or more mesodermal cellular elements not commonly associat...

Mesenteric Arteries - Arteries which arise from the abdominal aorta and distribute to most of the intestines....

Mesenteric Artery, Inferior - The artery supplying nearly all the left half of the transverse colon, the whole of the descending c...

Mesenteric Artery, Superior - A large vessel supplying the whole length of the small intestine except the superior part of the duo...

Mesenteric Cyst - A rare intra-abdominal tumor in the MESENTERY. Mesenteric cysts are usually benign and can be very l...

Mesenteric Lymphadenitis - INFLAMMATION of LYMPH NODES in the MESENTERY....

Mesenteric Vascular Occlusion - Obstruction of the flow in the SPLANCHNIC CIRCULATION by ATHEROSCLEROSIS; EMBOLISM; THROMBOSIS; STEN...

Mesenteric Veins - Veins which return blood from the intestines; the inferior mesenteric vein empties into the splenic ...

Mesentery - A layer of the peritoneum which attaches the abdominal viscera to the ABDOMINAL WALL and conveys the...

Mesial Movement of Teeth - Migration of the teeth toward the midline or forward in the DENTAL ARCH. (From Boucher's Clinical De...

Mesna - A sulfhydryl compound used to prevent urothelial toxicity by inactivating metabolites from ANTINEOPL...

Mesocestoides - A genus of tapeworm, containing several species, found as adults in birds and mammals. The larvae or...

Mesocolon - The fold of peritoneum by which the COLON is attached to the posterior ABDOMINAL WALL....

Mesocricetus - A genus of the family Muridae having three species. The present domesticated strains were developed ...

Mesoderm - The middle germ layer of an embryo derived from three paired mesenchymal aggregates along the neural...

Mesomycetozoea - A class of parasitic and saprophytic microorganisms whose origins can be traced near the animal-fung...

Mesomycetozoea Infections - Infections by MESOMYCETOZOEA, general or unspecified....

Mesonephroma - A rare tumor of the female genital tract, most often the ovary, formerly considered to be derived fr...

Mesonephros - One of a pair of excretory organs (mesonephroi) which grow caudally to the first pair (pronephroi) d...

Mesons - Short-lived elementary particles found in cosmic radiation or produced from nuclear disintegration. ...

Mesopic Vision - The function of the eye that is used in the intermediate level of illumination (mesopic intensities)...

Mesoporphyrins - Porphyrins with four methyl, two ethyl, and two propionic acid side chains attached to the pyrrole r...

Mesoridazine - A phenothiazine antipsychotic with effects similar to CHLORPROMAZINE....

Mesothelioma - A tumor derived from mesothelial tissue (peritoneum, pleura, pericardium). It appears as broad sheet...

Mesothelioma, Cystic - A peritoneal mesothelioma affecting mainly young females and producing cysts of variable size and nu...

Mesterolone - 17 beta-Hydroxy-1 alpha-methyl-5 alpha-androstan-3-one. A synthetic steroid with anabolic and androg...

Mestranol - The 3-methyl ether of ETHINYL ESTRADIOL. It must be demethylated to be biologically active. It is us...

Mesylates - Organic salts or esters of methanesulfonic acid....

Meta-Analysis - Works consisting of studies using a quantitative method of combining the results of independent stud...

Meta-Analysis as Topic - A quantitative method of combining the results of independent studies (usually drawn from the publis...

Metabolic Clearance Rate - Volume of biological fluid completely cleared of drug metabolites as measured in unit time. Eliminat...

Metabolic Detoxication, Drug - Reduction of pharmacologic activity or toxicity of a drug or other foreign substance by a living sys...

Metabolic Detoxication, Phase I - Functionalization of exogenous substances to prepare them for conjugation in PHASE II DETOXIFICATION...

Metabolic Detoxication, Phase II - Conjugation of exogenous substances with various hydrophilic substituents to form water soluble prod...

Metabolic Diseases - Generic term for diseases caused by an abnormal metabolic process. It can be congenital due to inher...

Metabolic Equivalent - A measurement of OXYGEN uptake in a sitting, resting person (resting oxygen consumption), varying wi...

Metabolic Networks and Pathways - Complex sets of enzymatic reactions connected to each other via their product and substrate metaboli...

Metabolic Phenomena - The CHEMICAL PROCESSES that occur within the cells, tissues, or an organism and related temporal, sp...

Metabolic Syndrome X - A cluster of metabolic risk factors for CARDIOVASCULAR DISEASES and TYPE 2 DIABETES MELLITUS. The ma...

Metabolism - The chemical reactions that occur within the cells, tissues, or an organism. These processes include...

Metabolism, Inborn Errors - Errors in metabolic processes resulting from inborn genetic mutations that are inherited or acquired...

Metabolome - The dynamic collection of metabolites which represent a cell's or organism's net metabolic response ...

Metabolomics - The systematic identification and quantitation of all the metabolic products of a cell, tissue, orga...

Metacarpal Bones - The five cylindrical bones of the METACARPUS, articulating with the CARPAL BONES proximally and the ...

Metacarpophalangeal Joint - The articulation between a metacarpal bone and a phalanx....

Metacarpus - The region of the HAND between the WRIST and the FINGERS....

Metagenome - A collective genome representative of the many organisms existing in a community....

Metagenomics - The genomic analysis of assemblages of organisms....

Metal Ceramic Alloys - The fusion of ceramics (porcelain) to an alloy of two or more metals for use in restorative and pros...

Metal Nanoparticles - Nanoparticles produced from metals whose uses include biosensors, optics, and catalysts. In biomedic...

Metallochaperones - A family of soluble metal binding proteins that are involved in the intracellular transport of speci...

Metalloendopeptidases - ENDOPEPTIDASES which use a metal such as ZINC in the catalytic mechanism....

Metalloexopeptidases - EXOPEPTIDASES which use a metal such as ZINC in the catalytic mechanism....

Metalloporphyrins - Porphyrins which are combined with a metal ion. The metal is bound equally to all four nitrogen atom...

Metalloproteases - Proteases which use a metal, normally ZINC, in the catalytic mechanism. This group of enzymes is ina...

Metalloproteins - Proteins that have one or more tightly bound metal ions forming part of their structure. (Dorland, 2...

Metallothionein - A low-molecular-weight (approx. 10 kD) protein occurring in the cytoplasm of kidney cortex and liver...

Metallurgy - The science, art, or technology dealing with processes involved in the separation of metals from the...

Metals - Electropositive chemical elements characterized by ductility, malleability, luster, and conductance ...

Metals, Alkali - Metals that constitute group 1(formerly group Ia) of the periodic table. They are the most strongly ...

Metals, Alkaline Earth - Metals that constitute the group 2 (formerly group IIa) of the periodic table....

Metals, Heavy - Metals with high specific gravity, typically larger than 5. They have complex spectra, form colored ...

Metals, Light - Metals with low specific gravity, typically smaller than 5, characterized by a single valence (1, 2,...

Metals, Rare Earth - A group of elements that include SCANDIUM; YTTRIUM; and the LANTHANOID SERIES ELEMENTS. Historically...

Metamorphosis, Biological - Profound physical changes during maturation of living organisms from the immature forms to the adult...

Metanephrine - Product of epinephrine O-methylation. It is a commonly occurring, pharmacologically and physiologica...

Metaphase - The phase of cell nucleus division following PROMETAPHASE, in which the CHROMOSOMES line up across t...

Metaphor - The application of a concept to that which it is not literally the same but which suggests a resembl...

Metaphysics - The branch of philosophy that treats of first principles, including ontology (the nature of existenc...

Metaplasia - A condition in which there is a change of one adult cell type to another similar adult cell type....

Metapneumovirus - A genus of the subfamily PNEUMOVIRINAE, containing two members: Turkey rhinotracheitis virus and a h...

Metaraminol - An adrenergic agonist that acts predominantly at alpha adrenergic receptors and also stimulates the ...

Metarhizium - A mitosporic fungal genus in the family Clavicipitaceae. It has teleomorphs in the family Nectriacea...

Metastrongyloidea - A superfamily of nematodes of the order STRONGYLIDA. Characteristics include a fluid-filled outer la...

Metatarsal Bones - The five long bones of the METATARSUS, articulating with the TARSAL BONES proximally and the PHALANG...

Metatarsalgia - Pain in the region of the METATARSUS. It can include pain in the METATARSAL BONES; METATARSOPHALANGE...

Metatarsophalangeal Joint - The articulation between a metatarsal bone (METATARSAL BONES) and a phalanx....

Metatarsus - The part of the foot between the tarsa and the TOES....

Metencephalon - The anterior portion of the developing hindbrain. It gives rise to the CEREBELLUM and the PONS....

Meteoroids - Any solid objects moving in interplanetary space that are smaller than a planet or asteroid but larg...

Meteorological Concepts - The atmospheric properties, characteristics and other atmospheric phenomena especially pertaining to...

Meteorology - The science of studying the characteristics of the atmosphere such as its temperature, density, wind...

Metered Dose Inhalers - A medical device used to ensure the proper amount of medication is delivered for inhalation. Usually...

Metergoline - A dopamine agonist and serotonin antagonist. It has been used similarly to BROMOCRIPTINE as a dopami...

Metestrus - The period following ESTRUS during which the phenomena of estrus subside in those animals in which p...

Metformin - A biguanide hypoglycemic agent used in the treatment of non-insulin-dependent diabetes mellitus not ...

Methacholine Chloride - A quaternary ammonium parasympathomimetic agent with the muscarinic actions of ACETYLCHOLINE. It is ...

Methacholine Compounds - A group of compounds that are derivatives of beta-methylacetylcholine (methacholine)....

Methacrylates - Acrylic acids or acrylates which are substituted in the C-2 position with a methyl group....

Methacycline - A broad-spectrum semisynthetic antibiotic related to TETRACYCLINE but excreted more slowly and maint...

Methadone - A synthetic opioid that is used as the hydrochloride. It is an opioid analgesic that is primarily a ...

Methadyl Acetate - A narcotic analgesic with a long onset and duration of action. It is used mainly in the treatment of...

Methallibure - A dithiobiurea compound with anti-gonadotropic activity....

Methamphetamine - A central nervous system stimulant and sympathomimetic with actions and uses similar to DEXTROAMPHET...

Methandriol - A synthetic steroid with anabolic and androgenic properties. (From Martindale, The Extra Pharmacopoe...

Methandrostenolone - A synthetic steroid with anabolic properties that are more pronounced than its androgenic effects. I...

Methane - The simplest saturated hydrocarbon. It is a colorless, flammable gas, slightly soluble in water. It ...

Methanobacteriaceae - A family of anaerobic, coccoid to rod-shaped METHANOBACTERIALES. Cell membranes are composed mainly ...

Methanobacteriales - An order of anaerobic, coccoid to rod-shaped methanogens, in the kingdom EURYARCHAEOTA. They are non...

Methanobacterium - A genus of anaerobic, rod-shaped METHANOBACTERIACEAE. Its organisms are nonmotile and use ammonia as...

Methanobrevibacter - A genus of gram-positive, anaerobic, cocci to short rod-shaped ARCHAEA, in the family METHANOBACTERI...

Methanococcaceae - A family of anaerobic METHANOCOCCALES whose organisms are motile by means of flagella. These methano...

Methanococcales - An order of anaerobic methanogens in the kingdom EURYARCHAEOTA. They are pseudosarcina, coccoid or s...

Methanococcus - A genus of anaerobic coccoid METHANOCOCCACEAE whose organisms are motile by means of polar tufts of ...

Methanol - A colorless, flammable liquid used in the manufacture of FORMALDEHYDE and ACETIC ACID, in chemical s...

Methanomicrobiaceae - A family of anaerobic METHANOMICROBIALES whose cells are coccoid to straight or slightly curved rods...

Methanomicrobiales - An order of anaerobic, highly specialized methanogens, in the kingdom EURYARCHAEOTA. Its organisms a...

Methanosarcina - A genus of anaerobic, irregular spheroid-shaped METHANOSARCINALES whose organisms are nonmotile. End...

Methanosarcina barkeri - A species of halophilic archaea whose organisms are nonmotile. Habitats include freshwater and marin...

Methanosarcinaceae - A family of anaerobic METHANOSARCINALES whose cells are mesophilic or thermophilic and appear as irr...

Methanosarcinales - An order of anaerobic methanogens in the kingdom EURYARCHAEOTA. There are two families: METHANOSARCI...

Methanospirillum - The sole genus in the family Methanospirillaceae whose organisms are progressively motile by means o...

Methapyrilene - Histamine H1 antagonist with sedative action used as a hypnotic and in allergies....

Methaqualone - A quinazoline derivative with hypnotic and sedative properties. It has been withdrawn from the marke...

Methazolamide - A carbonic anhydrase inhibitor that is used as a diuretic and in the treatment of glaucoma....

Methemalbumin - A 1:1 molar complex of heme or hematin and albumin formed after the dissociation of methemoglobin in...

Methemoglobinemia - The presence of methemoglobin in the blood, resulting in cyanosis. A small amount of methemoglobin i...

Methenamine - An anti-infective agent most commonly used in the treatment of urinary tract infections. Its anti-in...

Methenolone - A synthetic steroid that has been used for its anabolic action....

Methenyltetrahydrofolate Cyclohydrolase - An aminohydrolase that catalyzes the hydrolysis of 5,10-methenyltetrahydrofolate to 10-formyltetrahy...

Methicillin - One of the PENICILLINS which is resistant to PENICILLINASE but susceptible to a penicillin-binding p...

Methicillin Resistance - Non-susceptibility of a microbe to the action of METHICILLIN, a semi-synthetic penicillin derivative...

Methicillin-Resistant Staphylococcus aureus - A strain of Staphylococcus aureus that is non-susceptible to the action of METHICILLIN. The mechanis...

Methimazole - A thioureylene antithyroid agent that inhibits the formation of thyroid hormones by interfering with...

Methiocarb - Insecticide, molluscacide, acaricide....

Methionine - A sulfur containing essential amino acid that is important in many body functions. It is a chelating...

Methionine Adenosyltransferase - An enzyme that catalyzes the synthesis of S-adenosylmethionine from methionine and ATP. EC 2.5.1.6....

Methionine Sulfoxide Reductases - Reductases that catalyze the reaction of peptide-L-methionine -S-oxide + thioredoxin to produce pept...

Methionine-tRNA Ligase - An enzyme that activates methionine with its specific transfer RNA. EC 6.1.1.10....

Methiothepin - A serotonin receptor antagonist in the CENTRAL NERVOUS SYSTEM used as an antipsychotic....

Methisazone - An antiviral agent effective against pox viruses....

Methocarbamol - A centrally acting muscle relaxant whose mode of action has not been established. It is used as an a...

Methohexital - An intravenous anesthetic with a short duration of action that may be used for induction of anesthes...

Methomyl - A carbamate insecticide with anticholinesterase activity....

Methoprene - Juvenile hormone analog and insect growth regulator used to control insects by disrupting metamorpho...

Methotrexate - An antineoplastic antimetabolite with immunosuppressant properties. It is an inhibitor of TETRAHYDRO...

Methotrimeprazine - A phenothiazine with pharmacological activity similar to that of both CHLORPROMAZINE and PROMETHAZIN...

Methoxamine - An alpha-adrenergic agonist that causes prolonged peripheral vasoconstriction. It has little if any ...

Methoxsalen - A naturally occurring furocoumarin compound found in several species of plants, including Psoralea c...

Methoxychlor - An insecticide. Methoxychlor has estrogenic effects in mammals, among other effects....

Methoxydimethyltryptamines - Compounds that contain the biogenic monoamine tryptamine and are substituted with one methoxy group ...

Methoxyflurane - An inhalation anesthetic. Currently, methoxyflurane is rarely used for surgical, obstetric, or denta...

Methoxyhydroxyphenylglycol - Synthesized from endogenous epinephrine and norepinephrine in vivo. It is found in brain, blood, CSF...

Methyclothiazide - A thiazide diuretic with properties similar to those of HYDROCHLOROTHIAZIDE. (From Martindale, The E...

Methyl Chloride - A hydrocarbon used as an industrial solvent. It has been used as an aerosal propellent, as a refrige...

Methyl Ethers - A group of compounds that contain the general formula R-OCH3....

Methyl Green - A tri-benzene-ammonium usually compounded with zinc chloride. It is used as a biological stain and f...

Methyl Methanesulfonate - An alkylating agent in cancer therapy that may also act as a mutagen by interfering with and causing...

Methyl n-Butyl Ketone - An industrial solvent which causes nervous system degeneration. MBK is an acronym often used to refe...

Methyl Parathion - The methyl homolog of parathion. An effective, but highly toxic, organothiophosphate insecticide and...

Methylation - Addition of methyl groups. In histo-chemistry methylation is used to esterify carboxyl groups and re...

Methylazoxymethanol Acetate - The aglycone of CYCASIN. It acts as a potent carcinogen and neurotoxin and inhibits hepatic DNA, RNA...

Methylcellulose - Methylester of cellulose. Methylcellulose is used as an emulsifying and suspending agent in cosmetic...

Methylcholanthrene - A carcinogen that is often used in experimental cancer studies....

Methyl-CpG-Binding Protein 2 - A DNA-binding protein that interacts with methylated CPG ISLANDS. It plays a role in repressing GENE...

Methyldimethylaminoazobenzene - A very potent liver carcinogen....

Methyldopa - An alpha-2 adrenergic agonist that has both central and peripheral nervous system effects. Its prima...

Methylene Blue - A compound consisting of dark green crystals or crystalline powder, having a bronze-like luster. Sol...

Methylene Chloride - A chlorinated hydrocarbon that has been used as an inhalation anesthetic and acts as a narcotic in h...

Methylenebis(chloroaniline) - Aromatic diamine used in the plastics industry as curing agent for epoxy resins and urethane rubbers...

Methylenetetrahydrofolate Dehydrogenase (NAD+) - A NAD-dependent oxidoreductase that catalyzes the conversion of 5,10-methylenetetrahydrofolate to 5,...

Methylenetetrahydrofolate Dehydrogenase (NADP) - An NADP-dependent oxidoreductase that catalyses the conversion of 5,10-methyleneterahydrofolate to 5...

Methylenetetrahydrofolate Reductase (NADPH2) - A flavoprotein amine oxidoreductase that catalyzes the reversible conversion of 5-methyltetrahydrofo...

Methylergonovine - A homolog of ERGONOVINE containing one more CH2 group. (Merck Index, 11th ed)...

Methylguanidine - A product of putrefaction. Poisonous....

Methylhistamines - Histamine substituted in any position with one or more methyl groups. Many of these are agonists for...

Methylhistidines - Histidine substituted in any position with one or more methyl groups....

Methylhydrazines - Hydrazines substituted by one or more methyl groups in any position....

Methylmalonate-Semialdehyde Dehydrogenase (Acylating) - An enzyme that plays a role in the VALINE; LEUCINE; and ISOLEUCINE catabolic pathways by catalyzing ...

Methylmalonic Acid - A malonic acid derivative which is a vital intermediate in the metabolism of fat and protein. Abnorm...

Methylmalonyl-CoA Decarboxylase - A carboxy-lyase that catalyzes the decarboxylation of (S)-2-Methyl-3-oxopropanoyl-CoA to propanoyl-...

Methylmalonyl-CoA Mutase - An enzyme that catalyzes the conversion of methylmalonyl-CoA to succinyl-CoA by transfer of the carb...

Methylmannosides - Mannosides formed by the reaction of the hydroxyl group on the anomeric carbon atom of mannose with ...

Methylmercury Compounds - Organic compounds in which mercury is attached to a methyl group....

Methylmethacrylate - The methyl ester of methacrylic acid. It polymerizes easily to form POLYMETHYL METHACRYLATE. It is u...

Methylmethacrylates - The methyl esters of methacrylic acid that polymerize easily and are used as tissue cements, dental ...

Methylnitronitrosoguanidine - A nitrosoguanidine derivative with potent mutagenic and carcinogenic properties....

Methylnitrosourea - A nitrosourea compound with alkylating, carcinogenic, and mutagenic properties....

Methylobacillus - A genus of short, aerobic, gram-negative rods which are obligate methylotrophs, growing on one-carbo...

Methylobacteriaceae - A family of gram-negative bacteria in the order Rhizobiales. Genera include METHYLOBACTERIUM, Protom...

Methylobacterium - A genus of gram-negative, aerobic, facultatively methylotrophic rods occurring singly or occasionall...

Methylobacterium extorquens - A species of METHYLOBACTERIUM which can utilize acetate, ethanol, or methylamine as a sole carbon so...

Methylococcaceae - A family of gram-negative, aerobic bacteria utilizing only one-carbon organic compounds and isolated...

Methylococcus - A genus of gram-negative, aerobic, spherical cells usually occurring in pairs. The resting stage is ...

Methylococcus capsulatus - A species of METHYLOCOCCUS which forms capsules and is capable of autotrophic carbon dioxide fixatio...

Methylocystaceae - A family of gram-negative methanotrophs in the order Rhizobiales, distantly related to the nitrogen-...

Methylomonas - A genus of gram-negative, aerobic, straight, curved, or branched rods which are motile by a single p...

Methylophilaceae - A family of gram-negative bacteria in the order Methylophilales....

Methylophilus - A genus of straight or slightly curved gram-negative rods occurring singly or in pairs and isolated ...

Methylophilus methylotrophus - A species of METHYLOPHILUS which is motile by single flagella. In addition to growth on methanol as ...

Methylosinus - A genus of gram-negative rods which form exospores and are obligate methanotrophs....

Methylosinus trichosporium - A species of METHYLOSINUS which is capable of degrading trichloroethylene and other organic pollutan...

Methylphenazonium Methosulfate - Used as an electron carrier in place of the flavine enzyme of Warburg in the hexosemonophosphate sys...

Methylphenidate - A central nervous system stimulant used most commonly in the treatment of attention-deficit disorder...

Methylprednisolone - A PREDNISOLONE derivative with similar anti-inflammatory action....

Methylprednisolone Hemisuccinate - A water-soluble ester of METHYLPREDNISOLONE used for cardiac, allergic, and hypoxic emergencies....

Methyltestosterone - A synthetic hormone used for androgen replacement therapy and as an hormonal antineoplastic agent (A...

Methylthioinosine - 6-(Methylthio)-9-beta-D-ribofuranosylpurine. An analog of inosine with a methylthio group replacing ...

Methylthiouracil - A thiourea antithyroid agent that inhibits the synthesis of thyroid hormone. It is used in the treat...

Methyltransferases - A subclass of enzymes of the transferase class that catalyze the transfer of a methyl group from one...

Methyltyrosines - A group of compounds that are methyl derivatives of the amino acid TYROSINE....

Methylurea Compounds - Urea compounds which are substituted with one or more methyl groups....

Methysergide - An ergot derivative that is a congener of LYSERGIC ACID DIETHYLAMIDE. It antagonizes the effects of...

Metiamide - A histamine H2 receptor antagonist that is used as an anti-ulcer agent....

Metipranolol - A beta-adrenergic antagonist effective for both beta-1 and beta-2 receptors. It is used as an antiar...

Metmyoglobin - Myoglobin which is in the oxidized ferric or hemin form. The oxidation causes a change in color from...

Metoclopramide - A dopamine D2 antagonist that is used as an antiemetic....

Metolazone - A quinazoline-sulfonamide that is considered a thiazide-like diuretic which is long-acting so useful...

Metoprolol - A selective adrenergic beta-1-blocking agent with no stimulatory action. It's binding to plasma albu...

Metrial Gland - Collection of granular epithelial cells in the uterine muscle beneath the placenta that develop duri...

Metribolone - A synthetic non-aromatizable androgen and anabolic steroid. It binds strongly to the androgen recept...

Metric System - A system of units used in scientific work throughout the world and employed in general commercial tr...

Metrizamide - A solute for density gradient centrifugation offering higher maximum solution density without the pr...

Metrizoate - A diagnostic radiopaque that usually occurs as the sodium salt....

Metronidazole - A nitroimidazole used to treat AMEBIASIS; VAGINITIS; TRICHOMONAS INFECTIONS; GIARDIASIS; ANAEROBIC B...

Metrorrhagia - Abnormal uterine bleeding that is not related to MENSTRUATION, usually in females without regular ME...

Metschnikowia - A genus of ascomycetous yeast in the family Metschnikowiaceae, order SACCHAROMYCETALES. Its antifung...

Metyrapone - An inhibitor of the enzyme STEROID 11-BETA-MONOOXYGENASE. It is used as a test of the feedback hypot...

Mevalonate Kinase Deficiency - Autosomal recessive disorder caused by mutations in the mevalonate kinase gene. Because of the mutat...

Mevinphos - An organophosphate cholinesterase inhibitor that is used as an insecticide....

Mexican Americans - Persons living in the United States of Mexican descent....

Mexiletine - Antiarrhythmic agent pharmacologically similar to LIDOCAINE. It may have some anticonvulsant propert...

Mezlocillin - Semisynthetic ampicillin-derived acylureido penicillin. It has been proposed for infections with cer...

Mi-2 Nucleosome Remodeling and Deacetylase Complex - A enzyme complex involved in the remodeling of NUCLEOSOMES. The complex is comprised of at least se...

Mianserin - A tetracyclic compound with antidepressant effects. It may cause drowsiness and hematological proble...

Mibefradil - A benzimidazoyl-substituted tetraline that selectively binds and inhibits CALCIUM CHANNELS, T-TYPE....

Mice - The common name for the genus Mus....

Mice, Biozzi - A strain of mice bred specifically as high or low antibody responders....

Mice, Congenic - Mouse strains constructed to possess identical genotypes except for a difference at a single gene lo...

Mice, Hairless - Mutant strains of mice that produce little or no hair....

Mice, Inbred CFTR - A strain of mice widely studied as a model for cystic fibrosis. These mice are generated from embryo...

Mice, Inbred mdx - A strain of mice arising from a spontaneous MUTATION (mdx) in inbred C57BL mice. This mutation is X ...

Mice, Inbred MRL lpr - A mouse substrain that is genetically predisposed to the development of systemic lupus erythematosus...

Mice, Inbred NOD - A strain of non-obese diabetic mice developed in Japan that has been widely studied as a model for T...

Mice, Inbred SENCAR - Mice selectively bred for hypersusceptibility to two-stage chemical skin carcinogenesis. They are al...

Mice, Inbred Strains - Genetically identical individuals developed from brother and sister matings which have been carried ...

Mice, Jimpy - Myelin-deficient mutants which are from the inbred Tabby-Jimpy strain....

Mice, Knockout - Strains of mice in which certain GENES of their GENOMES have been disrupted, or "knocked-out". To pr...

Mice, Mutant Strains - Mice bearing mutant genes which are phenotypically expressed in the animals....

Mice, Neurologic Mutants - Mice which carry mutant genes for neurologic defects or abnormalities....

Mice, Nude - Mutant mice homozygous for the recessive gene "nude" which fail to develop a thymus. They are useful...

Mice, Obese - Mutant mice exhibiting a marked obesity coupled with overeating, hyperglycemia, hyperinsulinemia, ma...

Mice, Quaking - Mice homozygous for the mutant autosomal recessive gene, quaking (qk), associated with disorder in m...

Mice, SCID - Mice homozygous for the mutant autosomal recessive gene "scid" which is located on the centromeric e...

Mice, Transgenic - Laboratory mice that have been produced from a genetically manipulated EGG or EMBRYO, MAMMALIAN....

Micelles - Particles consisting of aggregates of molecules held loosely together by secondary bonds. The surfac...

Miconazole - An imidazole antifungal agent that is used topically and by intravenous infusion....

Microarray Analysis - The simultaneous analysis, on a microchip, of multiple samples or targets arranged in an array forma...

Microbial Collagenase - A metalloproteinase which degrades helical regions of native collagen to small fragments. Preferred ...

Microbial Interactions - The inter- and intra-relationships between various microorganisms. This can include both positive (l...

Microbial Sensitivity Tests - Any tests that demonstrate the relative efficacy of different chemotherapeutic agents against specif...

Microbial Viability - Ability of a microbe to survive under given conditions. This can also be related to a colony's abili...

Microbiological Phenomena - Physiological processes and properties of microorganisms, including ARCHAEA; BACTERIA; RICKETTSIA; V...

Microbiological Processes - Physiological functions, activities, and interactions of microorganisms, including ARCHAEA; BACTERIA...

Microbiological Techniques - Techniques used in microbiology....

Microbiology - The study of microorganisms such as fungi, bacteria, algae, archaea, and viruses....

Microbodies - Electron-dense cytoplasmic particles bounded by a single membrane, such as PEROXISOMES; GLYOXYSOMES;...

Microbubbles - Very small encapsulated gas bubbles (diameters of micrometers) that can be used as CONTRAST MEDIA, a...

Microcephaly - A congenital abnormality in which the CEREBRUM is underdeveloped, the fontanels close prematurely, a...

Microchemistry - The development and use of techniques and equipment to study or perform chemical reactions, with sma...

Microchip Analytical Procedures - The preparation and analysis of samples on miniaturized devices....

Microcirculation - The circulation of the BLOOD through the MICROVASCULAR NETWORK....

Microclimate - The climate of a very small area....

Micrococcaceae - A family of bacteria ranging from free living and saprophytic to parasitic and pathogenic forms....

Micrococcal Nuclease - An enzyme that catalyzes the endonucleolytic cleavage to 3'-phosphomononucleotide and 3'-phospholigo...

Micrococcus - A genus of gram-positive, spherical bacteria found in soils and fresh water, and frequently on the s...

Micrococcus luteus - A species of gram-positive, spherical bacteria whose organisms occur in tetrads and in irregular clu...

Microcomputers - Small computers using LSI (large-scale integration) microprocessor chips as the CPU (central process...

Microcystins - Cyclic heptapeptides found in MICROCYSTIS and other CYANOBACTERIA. Hepatotoxic and carcinogenic effe...

Microcystis - A form-genus of CYANOBACTERIA in the order Chroococcales. Many species are planktonic and possess ga...

Microdialysis - A technique for measuring extracellular concentrations of substances in tissues, usually in vivo, by...

Microdissection - The performance of dissections with the aid of a microscope....

Micro-Electrical-Mechanical Systems - A class of devices combining electrical and mechanical components that have at least one of the dime...

Microelectrodes - Electrodes with an extremely small tip, used in a voltage clamp or other apparatus to stimulate or r...

Microfibrils - Components of the extracellular matrix consisting primarily of fibrillin. They are essential for the...

Microfilament Proteins - Filaments which are composed primarily of actin and found in the cytoplasmic matrix of almost all ce...

Microfilaments - The smallest of the cytoskeletal filaments. They are composed chiefly of actin....

Microfilaria - The prelarval stage of Filarioidea in the blood and other tissues of mammals and birds. They are rem...

Microfluidic Analytical Techniques - Methods utilizing the principles of MICROFLUIDICS for sample handling, reagent mixing, and separatio...

Microfluidics - The study of fluid channels and chambers of tiny dimensions of tens to hundreds of micrometers and v...

Microglia - The third type of glial cell, along with astrocytes and oligodendrocytes (which together form the ma...

Micrognathism - Unusual or undue smallness of the jaws. (Dorland, 27th ed)...

Microinjections - The injection of very small amounts of fluid, often with the aid of a microscope and microsyringes....

Micromanipulation - The performance of dissections, injections, surgery, etc., by the use of micromanipulators (attachme...

Micromonospora - A genus of gram-positive bacteria that forms a branched mycelium. It commonly occurs as a saprophyti...

Micromonosporaceae - A family of gram-positive, saprophytic bacteria occurring in soil and aquatic environments....

Micronesia - The collective name for islands of the Pacific Ocean east of the Philippines, including the Mariana,...

Micronuclei, Chromosome-Defective - Defective nuclei produced during the TELOPHASE of MITOSIS or MEIOSIS by lagging CHROMOSOMES or chrom...

Micronucleus Tests - Induction and quantitative measurement of chromosomal damage leading to the formation of micronuclei...

Micronucleus, Germline - The smaller, reproductive, transcriptionally inert nucleus in the cells of ciliate protozoans, as di...

Micronutrients - Essential dietary elements or organic compounds that are required in only small quantities for norma...

Microphthalmia-Associated Transcription Factor - A basic helix-loop-helix leucine zipper transcription factor that regulates the CELL DIFFERENTIATION...

Microphthalmos - Congenital or developmental anomaly in which the eyeballs are abnormally small....

Micropore Filters - A membrane or barrier with micrometer sized pores used for separation purification processes....

Microradiography - Production of a radiographic image of a small or very thin object on fine-grained photographic film ...

MicroRNAs - Small double-stranded, non-protein coding RNAs, 21-25 nucleotides in length generated from single-st...

Microsatellite Instability - The occurrence of highly polymorphic mono- and dinucleotide MICROSATELLITE REPEATS in somatic cells....

Microsatellite Repeats - A variety of simple di- (DINUCLEOTIDE REPEATS), tri- (TRINUCLEOTIDE REPEATS), tetra-, and pentanucle...

Microscopic Angioscopy - The noninvasive microscopic examination of the microcirculation, commonly done in the nailbed or con...

Microscopic Polyangiitis - A primary systemic vasculitis of small- and some medium-sized vessels. It is characterized by a trop...

Microscopy - The use of instrumentation and techniques for visualizing material and details that cannot be seen b...

Microscopy, Acoustic - A scientific tool based on ULTRASONOGRAPHY and used not only for the observation of microstructure i...

Microscopy, Atomic Force - A type of scanning probe microscopy in which a probe systematically rides across the surface of a sa...

Microscopy, Confocal - A light microscopic technique in which only a small spot is illuminated and observed at a time. An i...

Microscopy, Electron - Microscopy using an electron beam, instead of light, to visualize the sample, thereby allowing much ...

Microscopy, Electron, Scanning - Microscopy in which the object is examined directly by an electron beam scanning the specimen point-...

Microscopy, Electron, Scanning Transmission - A type of TRANSMISSION ELECTRON MICROSCOPY in which the object is examined directly by an extremely ...

Microscopy, Electron, Transmission - Electron microscopy in which the ELECTRONS or their reaction products that pass down through the spe...

Microscopy, Energy-Filtering Transmission Electron - An analytical transmission electron microscopy method using an electron microscope fitted with an en...

Microscopy, Fluorescence - Microscopy of specimens stained with fluorescent dye (usually fluorescein isothiocyanate) or of natu...

Microscopy, Fluorescence, Multiphoton - Fluorescence microscopy utilizing multiple low-energy photons to produce the excitation event of the...

Microscopy, Immunoelectron - Microscopy in which the samples are first stained immunocytochemically and then examined using an el...

Microscopy, Interference - The science and application of a double-beam transmission interference microscope in which the illum...

Microscopy, Phase-Contrast - A form of interference microscopy in which variations of the refracting index in the object are conv...

Microscopy, Polarization - Microscopy using polarized light in which phenomena due to the preferential orientation of optical p...

Microscopy, Scanning Probe - Scanning microscopy in which a very sharp probe is employed in close proximity to a surface, exploit...

Microscopy, Scanning Tunneling - A type of scanning probe microscopy in which a very sharp conducting needle is swept just a few angs...

Microscopy, Ultraviolet - Microscopy in which the image is formed by ultraviolet radiation and is displayed and recorded by me...

Microscopy, Video - Microscopy in which television cameras are used to brighten magnified images that are otherwise too ...

Microsomes - Artifactual vesicles formed from the endoplasmic reticulum when cells are disrupted. They are isolat...

Microsomes, Liver - Closed vesicles of fragmented endoplasmic reticulum created when liver cells or tissue are disrupted...

Microspectrophotometry - Analytical technique for studying substances present at enzyme concentrations in single cells, in si...

Microspheres - Small uniformly-sized spherical particles, of micrometer dimensions, frequently labeled with radiois...

Microsporea - A class of parasitic FUNGI. Characteristics include spores that are spherical, oval, or tubular in s...

Microsporida - An order of parasitic FUNGI found mostly in ARTHROPODS; FISHES; and in some VERTEBRATES including hu...

Microsporidia - A phylum of fungi comprising minute intracellular PARASITES with FUNGAL SPORES of unicellular origin...

Microsporidia, Unclassified - Includes newly defined organisms as well as some that will never be classified to the genus and/or s...

Microsporidiosis - Infections with FUNGI of the phylum MICROSPORIDIA....

Microsporum - A mitosporic Oxygenales fungal genus causing various diseases of the skin and hair. The species Micr...

Microstomia - A congenital defect in which the mouth is unusually small. (Dorland, 27th ed)...

Microsurgery - The performance of surgical procedures with the aid of a microscope....

Microtechnology - Manufacturing technology for making microscopic devices in the micrometer range (typically 1-100 mic...

Microtomy - The technique of using a microtome to cut thin or ultrathin sections of tissues embedded in a suppor...

Microtubule Proteins - Proteins found in the microtubules....

Microtubule-Associated Proteins - High molecular weight proteins found in the MICROTUBULES of the cytoskeletal system. Under certain c...

Microtubule-Organizing Center - An amorphous region of electron dense material in the cytoplasm from which the MICROTUBULES polymeri...

Microtubules - Slender, cylindrical filaments found in the cytoskeleton of plant and animal cells. They are compose...

Microvascular Angina - ANGINA PECTORIS or angina-like chest pain with a normal coronary arteriogram and positive EXERCISE T...

Microvessels - The finer blood vessels of the vasculature that are generally less than 100 microns in internal diam...

Microvilli - Minute projections of cell membranes which greatly increase the surface area of the cell....

Microviridae - A large family of lytic bacteriophages infecting enterobacteria; SPIROPLASMA; BDELLOVIBRIO; and CHLA...

Microvirus - A genus of bacteriophages of the family MICROVIRIDAE. The genome consists of isometric single-strand...

Microwaves - That portion of the electromagnetic spectrum from the UHF (ultrahigh frequency) radio waves and exte...

Mid-Atlantic Region - A geographical area of the United States comprising the District of Columbia, Delaware, Maryland, Ne...

Midazolam - A short-acting hypnotic-sedative drug with anxiolytic and amnestic properties. It is used in dentist...

Middle Cerebral Artery - The largest of the cerebral arteries. It trifurcates into temporal, frontal, and parietal branches s...

Middle Ear Ventilation - Ventilation of the middle ear in the treatment of secretory (serous) otitis media, usually by placem...

Middle East - The countries of southwest Asia and northeastern Africa usually considered as extending from Libya o...

Middle Lobe Syndrome - Atelectasis of the right middle pulmonary lobe, with chronic pneumonitis. (Dorland, 27th ed)...

Midline Thalamic Nuclei - Small, nonspecific nerve cells scattered in the periventricular gray matter, separating the medial p...

Midodrine - An ethanolamine derivative that is an adrenergic alpha agonist. It is used as a vasoconstrictor agen...

Midwestern United States - The geographic area of the midwestern region of the United States in general or when the specific st...

Midwifery - The practice of assisting women in childbirth....

Mifepristone - A progestational and glucocorticoid hormone antagonist. Its inhibition of progesterone induces bleed...

Migraine Disorders - A class of disabling primary headache disorders, characterized by recurrent unilateral pulsatile hea...

Migraine with Aura - A subtype of migraine disorder, characterized by recurrent attacks of reversible neurological sympto...

Migraine without Aura - Recurrent unilateral pulsatile headaches, not preceded or accompanied by an aura, in attacks lasting...

Mikamycin - An antibiotic complex originally isolated from Streptomyces mitakaenis. It contains two principle in...

Mikania - A plant genus of the family ASTERACEAE. Members contain scandenolide (a sesquiterpene lactone) and g...

Mikulicz' Disease - A chronic, benign, and usually painless inflammatory swelling of the lacrimal and salivary glands. I...

Miliaria - A syndrome of cutaneous changes associated with sweat retention and extravasation of sweat at differ...

Milieu Therapy - A treatment program based on manipulation of the patient's environment by the medical staff. The pat...

Military Dentistry - The practice of dentistry as applied to special circumstances associated with military operations....

Military Medicine - The practice of medicine as applied to special circumstances associated with military operations....

Military Nursing - The practice of nursing in military environments....

Military Personnel - Persons including soldiers involved with the armed forces....

Military Psychiatry - Branch of psychiatry concerned with problems related to the prevention, diagnosis, etiology, and tre...

Milk - The white liquid secreted by the mammary glands. It contains proteins, sugar, lipids, vitamins, and ...

Milk Banks - Centers for acquiring, storing, and distributing human milk....

Milk Ejection - Expulsion of milk from the mammary alveolar lumen, which is surrounded by a layer of milk-secreting ...

Milk Hypersensitivity - Allergic reaction to milk (usually cow's milk) or milk products. MILK HYPERSENSITIVITY should be dif...

Milk Proteins - The major protein constituents of milk are CASEINS and whey proteins such as LACTALBUMIN and LACTOGL...

Milk Sickness - An acute, often fatal disease caused by the ingestion of milk, milk products, or the flesh of cattle...

Milk Substitutes - Food BEVERAGES that are used as nutritional substitutes for MILK....

Milk Thistle - The plant Silybum marianum in the family ASTERACEAE containing the bioflavonoid complex SILYMARIN. F...

Miller Fisher Syndrome - A variant of the GUILLAIN-BARRE SYNDROME characterized by the acute onset of oculomotor dysfunction,...

Millettia - A plant genus of the family FABACEAE. Members contain ISOFLAVONES, some of which show molluscicidal ...

Milrinone - A positive inotropic cardiotonic agent with vasodilator properties. It inhibits cAMP phosphodiestera...

Mimiviridae - A family of nucleocytoplasmic, large, double-stranded DNA viruses with extremely complex genomes....

Mimosa - A plant genus of the family FABACEAE that contains kukulkanin, a CHALCONE....

Mimosine - 3-Hydroxy-4-oxo-1(4H)-pyridinealanine. An antineoplastic alanine-substituted pyridine derivative iso...

Mimulus - A plant genus of the family SCROPHULARIACEAE. Members contain 6-geranylflavanones and mimulone....

Mimusops - A plant genus of the family SAPOTACEAE. Members contain triterpenoid saponins. Latex from bark incis...

Mind-Body Relations (Metaphysics) - The relation between the mind and the body in a religious, social, spiritual, behavioral, and metaph...

Mind-Body Therapies - Treatment methods or techniques which are based on the knowledge of mind and body interactions. Thes...

Mineral Fibers - Long, pliable, cohesive natural or manufactured filaments of various lengths. They form the structur...

Mineral Oil - A mixture of liquid hydrocarbons obtained from petroleum. It is used as laxative, lubricant, ointmen...

Mineral Waters - Water naturally or artificially infused with mineral salts or gases (carbon dioxide)....

Mineralocorticoid Excess Syndrome, Apparent - A hereditary disease characterized by childhood onset HYPERTENSION, hypokalemic alkalosis, and low R...

Mineralocorticoids - A group of CORTICOSTEROIDS primarily associated with the water and electrolyte balance. This is acco...

Minerals - Native, inorganic or fossilized organic substances having a definite chemical composition and formed...

Miniature Postsynaptic Potentials - Postsynaptic potentials generated from a release of neurotransmitters from a presynaptic nerve termi...

Miniaturization - The design or construction of objects greatly reduced in scale....

Minicomputers - Small computers that lack the speed, memory capacity, and instructional capability of the full-size ...

Minisatellite Repeats - Tandem arrays of moderately repetitive (5-50 repeats) short (10-60 bases) DNA sequences found disper...

Mink - Carnivores of genus Mustela of the family MUSTELIDAE. The European mink, which has white upper and l...

Mink Cell Focus-Inducing Viruses - Strains of MURINE LEUKEMIA VIRUS discovered in 1976 by Hartley, Wolford, Old, and Rowe and so named ...

Mink enteritis virus - A species of the genus PARVOVIRUS and a host range variant of FELINE PANLEUKOPENIA VIRUS. It causes ...

Mink Viral Enteritis - A highly contagious parvovirus infection in mink, caused by MINK ENTERITIS VIRUS or the closely rela...

Minke Whale - The species Balaenoptera acutorostrata, in the family Balaenopteridae. It is the smallest of the WHA...

Minocycline - A TETRACYCLINE analog, having a 7-dimethylamino and lacking the 5 methyl and hydroxyl groups, which ...

Minor Histocompatibility Antigens - Allelic alloantigens often responsible for weak graft rejection in cases when (major) histocompatibi...

Minor Histocompatibility Loci - Genetic loci responsible for the encoding of histocompatibility antigens other than those encoded by...

Minor Lymphocyte Stimulatory Antigens - Endogenous superantigens responsible for inducing strong proliferative responses in T-cells in mixed...

Minor Lymphocyte Stimulatory Loci - Genetic loci responsible for the encoding of minor lymphocyte stimulatory antigens. There are at lea...

Minor Planets - Small solar system planetary bodies including asteroids. Most asteroids are found within the gap lyi...

Minority Groups - A subgroup having special characteristics within a larger group, often bound together by special tie...

Minority Health - The concept covering the physical and mental conditions of members of minority groups....

Minors - A person who has not attained the age at which full civil rights are accorded....

Minoxidil - A potent direct-acting peripheral vasodilator (VASODILATOR AGENTS) that reduces peripheral resistanc...

Minute virus of mice - The type species of PARVOVIRUS prevalent in mouse colonies and found as a contaminant of many transp...

Miocamycin - A macrolide antibiotic that has a wide antimicrobial spectrum and is particularly effective in respi...

Miosis - Pupillary constriction. This may result from congenital absence of the dilatator pupillary muscle, d...

Miotics - Agents causing contraction of the pupil of the eye. Because the size of the pupil is under the antag...

Mirabilis - A plant genus of the family NYCTAGINACEAE. Members contain Mirabilis antiviral protein (a ribosome-i...

Mirex - An organochlorine insecticide that is carcinogenic....

Misonidazole - A nitroimidazole that sensitizes normally radio-resistant hypoxic cells to radiation. It may also be...

Misoprostol - A synthetic analog of natural prostaglandin E1. It produces a dose-related inhibition of gastric aci...

Missions and Missionaries - To be used for articles pertaining to medical activities carried out by personnel in institutions wh...

Mistletoe - Parasitic plants that form a bushy growth on branches of host trees which are in the order Santalale...

Mite Infestations - Infestations with arthropods of the subclass ACARI, superorder Acariformes....

Mites - Any arthropod of the subclass ACARI except the TICKS. They are minute animals related to the spiders...

Mitobronitol - Brominated analog of MANNITOL which is an antineoplastic agent appearing to act as an alkylating age...

Mitochondria - Semiautonomous, self-reproducing organelles that occur in the cytoplasm of all cells of most, but no...

Mitochondria, Heart - The mitochondria of the myocardium....

Mitochondria, Liver - Mitochondria in hepatocytes. As in all mitochondria, there are an outer membrane and an inner membra...

Mitochondria, Muscle - Mitochondria of skeletal and smooth muscle. It does not include myocardial mitochondria for which MI...

Mitochondrial ADP, ATP Translocases - A class of nucleotide translocases found abundantly in mitochondria that function as integral compon...

Mitochondrial Diseases - Diseases caused by abnormal function of the MITOCHONDRIA. They may be caused by mutations, acquired ...

Mitochondrial Encephalomyopathies - A heterogenous group of disorders characterized by alterations of mitochondrial metabolism that resu...

Mitochondrial Membrane Transport Proteins - Proteins involved in the transport of specific substances across the membranes of the MITOCHONDRIA....

Mitochondrial Membranes - The two lipoprotein layers in the MITOCHONDRION. The outer membrane encloses the entire mitochondrio...

Mitochondrial Myopathies - A group of muscle diseases associated with abnormal mitochondria function....

Mitochondrial Proteins - Proteins encoded by the mitochondrial genome or proteins encoded by the nuclear genome that are impo...

Mitochondrial Proton-Translocating ATPases - Proton-translocating ATPases responsible for ADENOSINE TRIPHOSPHATE synthesis in the MITOCHONDRIA. T...

Mitochondrial Size - The quantity of volume or surface area of MITOCHONDRIA....

Mitochondrial Swelling - An increase in MITOCHONDRIAL VOLUME due to an influx of fluid; it occurs in hypotonic solutions due ...

Mitogen-Activated Protein Kinase 1 - A proline-directed serine/threonine protein kinase which mediates signal transduction from the cell ...

Mitogen-Activated Protein Kinase 10 - A c-jun amino-terminal kinase that is found predominantly within NEURONS of the BRAIN, suggesting a ...

Mitogen-Activated Protein Kinase 11 - A 38-kDa mitogen-activated protein kinase that is expressed in a broad variety of cell types. It may...

Mitogen-Activated Protein Kinase 12 - A 38-kDa mitogen-activated protein kinase found primarily in SKELETAL MUSCLE....

Mitogen-Activated Protein Kinase 13 - A 38-kDa mitogen-activated protein kinase found expressed at high levels in LUNG; KIDNEY; TESTIS; PA...

Mitogen-Activated Protein Kinase 14 - A 38-kDa mitogen-activated protein kinase that is abundantly expressed in a broad variety of cell ty...

Mitogen-Activated Protein Kinase 3 - A 44-kDa extracellular signal-regulated MAP kinase that may play a role the initiation and regulatio...

Mitogen-Activated Protein Kinase 6 - A 97-kDa extracellular signal-regulated MAP kinase. Mitogen-activated protein kinase 6 levels increa...

Mitogen-Activated Protein Kinase 7 - A 110-kDa extracellular signal-regulated MAP kinase that is activated in response to cellular stress...

Mitogen-Activated Protein Kinase 8 - A c-jun amino-terminal kinase that is activated by environmental stress and pro-inflammatory cytokin...

Mitogen-Activated Protein Kinase 9 - A c-jun amino-terminal kinase that is activated by environmental stress and pro-inflammatory cytokin...

Mitogen-Activated Protein Kinase Kinases - A serine-threonine protein kinase family whose members are components in protein kinase cascades act...

Mitogen-Activated Protein Kinase Phosphatases - A subcategory of phosphohydrolases that are specific for MITOGEN-ACTIVATED PROTEIN KINASES. They pla...

Mitogen-Activated Protein Kinases - A superfamily of PROTEIN-SERINE-THREONINE KINASES that are activated by diverse stimuli via protein ...

Mitogens - Substances that stimulate mitosis and lymphocyte transformation. They include not only substances as...

Mitoguazone - Antineoplastic agent effective against myelogenous leukemia in experimental animals. Also acts as an...

Mitolactol - Alkylating antineoplastic toxic to bone marrow; used in breast cancer, also in combination with othe...

Mitomycin - An antineoplastic antibiotic produced by Streptomyces caespitosus. It is one of the bi- or tri-funct...

Mitomycins - A group of methylazirinopyrroloindolediones obtained from certain Streptomyces strains. They are ver...

Mitosis - A type of CELL NUCLEUS division by means of which the two daughter nuclei normally receive identical...

Mitosis Modulators - Agents that affect MITOSIS of CELLS....

Mitosporic Fungi - A large and heterogenous group of fungi whose common characteristic is the absence of a sexual state...

Mitotane - A derivative of the insecticide DICHLORODIPHENYLDICHLOROETHANE that specifically inhibits cells of...

Mitotic Index - An expression of the number of mitoses found in a stated number of cells....

Mitotic Spindle Apparatus - An organelle consisting of three components: (1) the astral microtubules, which form around each cen...

Mitoxantrone - An anthracenedione-derived antineoplastic agent....

Mitragyna - A plant genus of the family RUBIACEAE. Members contain antimalarial (ANTIMALARIALS) and analgesic (A...

Mitral Valve - The valve between the left atrium and left ventricle of the heart....

Mitral Valve Insufficiency - Backflow of blood from the LEFT VENTRICLE into the LEFT ATRIUM due to imperfect closure of the MITRA...

Mitral Valve Prolapse - Abnormal protrusion or billowing of one or both of the leaflets of MITRAL VALVE into the LEFT ATRIUM...

Mitral Valve Stenosis - Narrowing of the passage through the MITRAL VALVE due to FIBROSIS, and CALCINOSIS in the leaflets an...

Mixed Connective Tissue Disease - A syndrome with overlapping clinical features of systemic lupus erythematosus, scleroderma, polymyos...

Mixed Function Oxygenases - Widely distributed enzymes that carry out oxidation-reduction reactions in which one atom of the oxy...

Mixed Tumor, Malignant - A malignant tumor composed of more than one type of neoplastic tissue. (Dorland, 27th ed)...

Mixed Tumor, Mesodermal - A sarcoma of the body of the uterus arising in older women, composed of more than one mesenchymal ti...

Mixed Tumor, Mullerian - A tumor, basically a carcinoma with a single sarcoma such as leiomyosarcoma or angiosarcoma or multi...

MMPI - A personality inventory consisting of statements to be asserted or denied by the individual. The pat...

MNSs Blood-Group System - A system of universal human blood group isoantigens with many associated subgroups. The M and N trai...

Mobile Health Units - Movable facilities in which diagnostic and therapeutic services are provided to the community....

Mobility Limitation - Difficulty in walking from place to place....

Mobiluncus - A genus of gram-negative, anaerobic, rod-shaped bacteria. Its organisms are found in the human vagin...

Mobius Syndrome - A syndrome of congenital facial paralysis, frequently associated with abducens palsy and other conge...

Moclobemide - A reversible inhibitor of monoamine oxidase type A; (RIMA); (see MONOAMINE OXIDASE INHIBITORS) that ...

Models, Anatomic - Three-dimensional representation to show anatomic structures. Models may be used in place of intact ...

Models, Animal - Non-human animals, selected because of specific characteristics, for use in experimental research, t...

Models, Biological - Theoretical representations that simulate the behavior or activity of biological processes or diseas...

Models, Cardiovascular - Theoretical representations that simulate the behavior or activity of the cardiovascular system, pro...

Models, Chemical - Theoretical representations that simulate the behavior or activity of chemical processes or phenomen...

Models, Econometric - The application of mathematical formulas and statistical techniques to the testing and quantifying o...

Models, Economic - Statistical models of the production, distribution, and consumption of goods and services, as well a...

Models, Educational - Theoretical models which propose methods of learning or teaching as a basis or adjunct to changes in...

Models, Genetic - Theoretical representations that simulate the behavior or activity of genetic processes or phenomena...

Models, Immunological - Theoretical representations that simulate the behavior or activity of immune system, processes, or p...

Models, Molecular - Models used experimentally or theoretically to study molecular shape, electronic properties, or inte...

Models, Neurological - Theoretical representations that simulate the behavior or activity of the neurological system, proce...

Models, Nursing - Theoretical models simulating behavior or activities in nursing, including nursing care, management ...

Models, Organizational - Theoretical representations and constructs that describe or explain the structure and hierarchy of r...

Models, Psychological - Theoretical representations that simulate psychological processes and/or social processes. These inc...

Models, Statistical - Statistical formulations or analyses which, when applied to data and found to fit the data, are then...

Models, Structural - A representation, generally small in scale, to show the structure, construction, or appearance of so...

Models, Theoretical - Theoretical representations that simulate the behavior or activity of systems, processes, or phenome...

Modems - Equipment that sends digital information over telephone lines. The term Modem is a short form of the...

Mohs Surgery - A surgical technique used primarily in the treatment of skin neoplasms, especially basal cell or squ...

Moire Topography - A method of three-dimensional morphometry in which contour maps are produced from the overlapping in...

Molar - The most posterior teeth on either side of the jaw, totaling eight in the deciduous dentition (2 on ...

Molar, Third - The aftermost permanent tooth on each side in the maxilla and mandible....

Molasses - The syrup remaining after sugar is crystallized out of SUGARCANE or sugar beet juice. It is also use...

Mole Rats - Any of several burrowing rodents of the families MURIDAE and Bathyergidae, found in eastern Europe, ...

Molecular Biology - A discipline concerned with studying biological phenomena in terms of the chemical and physical inte...

Molecular Chaperones - A family of cellular proteins that mediate the correct assembly or disassembly of polypeptides and t...

Molecular Conformation - The characteristic three-dimensional shape of a molecule....

Molecular Diagnostic Techniques - MOLECULAR BIOLOGY techniques used in the diagnosis of disease. Included are such techniques as IN SI...

Molecular Dynamics Simulation - A computer simulation developed to study the motion of molecules over a period of time....

Molecular Epidemiology - The application of molecular biology to the answering of epidemiological questions. The examination ...

Molecular Imaging - The use of molecularly targeted imaging probes to localize and/or monitor biochemical and cellular p...

Molecular Imprinting - A methodology for chemically synthesizing polymer molds of specific molecules or recognition sites o...

Molecular Mechanisms of Pharmacological Action - Pharmacological activities at the molecular level of DRUGS and other exogenous compounds that are us...

Molecular Mimicry - The process in which structural properties of an introduced molecule imitate or simulate molecules o...

Molecular Motor Proteins - Proteins that are involved in or cause CELL MOVEMENT such as the rotary structures (flagellar motor)...

Molecular Probe Techniques - The use of devices which use detector molecules to detect, investigate, or analyze other molecules, ...

Molecular Probes - A group of atoms or molecules attached to other molecules or cellular structures and used in studyin...

Molecular Sequence Data - Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in th...

Molecular Structure - The location of the atoms, groups or ions relative to one another in a molecule, as well as the numb...

Molecular Weight - The sum of the weight of all the atoms in a molecule....

Moles - Any of numerous burrowing mammals found in temperate regions and having minute eyes often covered wi...

Molindone - An indole derivative effective in schizophrenia and other psychoses and possibly useful in the treat...

Mollicutes - A class of gram-negative bacteria consisting of cells bounded by a plasma membrane. Its organisms di...

Molluginaceae - A plant family of the order Caryophyllales, subclass Caryophyllidae, class Magnoliopsida. Some membe...

Mollusca - A phylum of the kingdom Metazoa. Mollusca have soft, unsegmented bodies with an anterior head, a dor...

Molluscacides - Agents destructive to snails and other mollusks....

Molluscipoxvirus - A genus of POXVIRIDAE, subfamily CHORDOPOXVIRINAE, infecting humans. Transmission is by direct conta...

Molluscum Contagiosum - A common, benign, usually self-limited viral infection of the skin and occasionally the conjunctivae...

Molluscum contagiosum virus - A species of MOLLUSCIPOXVIRUS causing skin lesions in humans. It is transmitted by direct contact or...

Mollusk Venoms - Venoms from mollusks, including CONUS and OCTOPUS species. The venoms contain proteins, enzymes, cho...

Moloney murine leukemia virus - A strain of Murine leukemia virus (LEUKEMIA VIRUS, MURINE) arising during the propagation of S37 mou...

Moloney murine sarcoma virus - A replication-defective murine sarcoma virus (SARCOMA VIRUSES, MURINE) isolated from a rhabdomyosarc...

Molsidomine - A morpholinyl sydnone imine ethyl ester, having a nitrogen in place of the keto oxygen. It acts as N...

Molteno Implants - Devices implanted to control intraocular pressure by allowing aqueous fluid to drain from the anteri...

Molting - Periodic casting off FEATHERS; HAIR; or cuticle. Molting is a process of sloughing or desquamation, ...

Molybdenum - A metallic element with the atomic symbol Mo, atomic number 42, and atomic weight 95.94. It is an es...

Molybdoferredoxin - A non-heme iron-sulfur protein isolated from Clostridium pasteurianum and other bacteria. It is a co...

Momordica - A plant genus of the family CUCURBITACEAE. It is a source of momordin....

Momordica charantia - A plant species of the family CUCURBITACEAE. It is a source of ribosome-inactivating proteins and t...

Monarda - A plant genus of the family LAMIACEAE. The common names of beebalm or lemonbalm are also used for ME...

Monascus - A genus in the family Monascaceae, order EUROTIALES. One species, Monascus purpureus, has multiple u...

Monckeberg Medial Calcific Sclerosis - Thickening and loss of elasticity of the walls of muscular ARTERIES due to calcification of the TUNI...

Monensin - An antiprotozoal agent produced by Streptomyces cinnamonensis. It exerts its effect during the devel...

Mongolia - The country is bordered by RUSSIA on the north and CHINA on the west, south, and east. The capita is...

Mongolian Spot - A bluish-gray to gray-brown benign, melanocytic nevus found usually in the LUMBOSACRAL REGION of dar...

Monieziasis - Infection of ruminants with tapeworms of the genus Moniezia....

Monilethrix - Rare autosomal dominant disorder of the hair shaft. The clinical features of the disease include HYP...

Moniliformis - A genus of roundworms of the phylum Acanthocephala, parasitic in rats, mice, hamsters, dogs and cats...

Monimiaceae - A plant family of the order Laurales, subclass Magnoliidae, class Magnoliopsida....

Monitoring, Ambulatory - The use of electronic equipment to observe or record physiologic processes while the patient undergo...

Monitoring, Immunologic - Testing of immune status in the diagnosis and therapy of cancer, immunoproliferative and immunodefic...

Monitoring, Intraoperative - The constant checking on the state or condition of a patient during the course of a surgical operati...

Monitoring, Physiologic - The continuous measurement of physiological processes, blood pressure, heart rate, renal output, ref...

Monkey Diseases - Diseases of Old World and New World monkeys. This term includes diseases of baboons but not of chimp...

Monkeypox - A viral disease infecting PRIMATES and RODENTS. Its clinical presentation in humans is similar to SM...

Monkeypox virus - A species of ORTHOPOXVIRUS causing an epidemic disease among captive primates....

Monoacylglycerol Lipases - An enzyme that catalyzes the hydrolysis of glycerol monoesters of long-chain fatty acids EC 3.1.1.23...

Monoamine Oxidase - An enzyme that catalyzes the oxidative deamination of naturally occurring monoamines. It is a flavin...

Monoamine Oxidase Inhibitors - A chemically heterogeneous group of drugs that have in common the ability to block oxidative deamina...

Monobactams - Monocyclic, bacterially produced or semisynthetic beta-lactam antibiotics. They lack the double ring...

Monocarboxylic Acid Transporters - A family of proteins involved in the transport of monocarboxylic acids such as LACTIC ACID and PYRUV...

Monoclonal Gammopathy of Undetermined Significance - Conditions characterized by the presence of M protein (Monoclonal protein) in serum or urine without...

Monocrotaline - A pyrrolizidine alkaloid and a toxic plant constituent that poisons livestock and humans through the...

Monocrotophos - An organophosphate insecticide that inhibits monoamine oxidase and acetylcholinesterase. It has been...

Monocyte Chemoattractant Proteins - Chemokines that are chemoattractants for monocytes. These CC chemokines (cysteines adjacent) number ...

Monocyte-Macrophage Precursor Cells - Parent cells in the lineage that gives rise to MONOCYTES and MACROPHAGES....

Monocytes - Large, phagocytic mononuclear leukocytes produced in the vertebrate BONE MARROW and released into th...

Monocytes, Activated Killer - Monocytes made cytotoxic by IN VITRO incubation with CYTOKINES, especially INTERFERON-GAMMA. The cel...

Monodelphis - A genus of short-tailed OPOSSUMS in the family Didelphidae found in South American, chiefly Brazil. ...

Monoglycerides - GLYCEROL esterified with a single acyl (FATTY ACIDS) chain....

Monograph - Work that is any publication that is not a serial or integrating resource. In cataloging usage, It i...

Monoiodotyrosine - A product from the iodination of tyrosine. In the biosynthesis of thyroid hormones (THYROXINE and TR...

Monokines - Soluble mediators of the immune response that are neither antibodies nor complement. They are produc...

Monomeric Clathrin Assembly Proteins - A subclass of clathrin assembly proteins that occur as monomers....

Monomeric GTP-Binding Proteins - A class of monomeric, low molecular weight (20-25 kDa) GTP-binding proteins that regulate a variety ...

Monomethylhydrazine - Hydrazine substituted by one methyl group....

Mononegavirales - An order comprising four families of eukaryotic viruses possessing linear, non-segmented, negative-s...

Mononegavirales Infections - Infections with viruses of the order MONONEGAVIRALES. The concept includes FILOVIRIDAE INFECTIONS; P...

Mononeuropathies - Disease or trauma involving a single peripheral nerve in isolation, or out of proportion to evidence...

Mononuclear Phagocyte System - Mononuclear cells with pronounced phagocytic ability that are distributed extensively in lymphoid an...

Monophenol Monooxygenase - An enzyme of the oxidoreductase class that catalyzes the reaction between L-tyrosine, L-dopa, and ox...

Monosaccharide Transport Proteins - A large group of membrane transport proteins that shuttle MONOSACCHARIDES across CELL MEMBRANES....

Monosaccharides - Simple sugars, carbohydrates which cannot be decomposed by hydrolysis. They are colorless crystallin...

Monosomy - The condition in which one chromosome of a pair is missing. In a normally diploid cell it is represe...

Monoterpenes - Compounds with a core of 10 carbons generally formed via the mevalonate pathway from the combination...

Montanoa - A plant genus of the family ASTERACEAE. Steroidal activity has been observed in animals. Members of ...

Monte Carlo Method - In statistics, a technique for numerically approximating the solution of a mathematical problem by s...

Monteggia's Fracture - Fracture in the proximal half of the shaft of the ulna, with dislocation of the head of the radius....

Montenegro - Montenegro was formerly part of the historic Kingdom of Yugoslavia. Following World War II, Monteneg...

Mood Disorders - Those disorders that have a disturbance in mood as their predominant feature....

Moon - The natural satellite of the planet Earth. It includes the lunar cycles or phases, the lunar month, ...

Mopidamol - A phosphodiesterase inhibitor which inhibits platelet aggregation. Formerly used as an antineoplasti...

Moraceae - The mulberry plant family of the order Urticales, subclass Hamamelidae, class Magnoliopsida. They h...

Moral Development - The process by which individuals internalize standards of right and wrong conduct....

Moral Obligations - Duties that are based in ETHICS, rather than in law....

Morale - The prevailing temper or spirit of an individual or group in relation to the tasks or functions whic...

Morals - Standards of conduct that distinguish right from wrong....

Morantel - Antinematodal agent used mainly for livestock....

Moraxella - A genus of gram-negative, aerobic bacteria occurring as rods (subgenus Moraxella) or cocci (subgenus...

Moraxella (Branhamella) catarrhalis - Gram-negative aerobic cocci of low virulence that colonize the nasopharynx and occasionally cause ME...

Moraxella (Moraxella) bovis - A species of gram-negative, aerobic bacteria that is most frequently isolated from bovine eyes in ca...

Moraxellaceae - A family of gram-negative, aerobic bacteria in the order Pseudomonadales. Some strains are parasites...

Moraxellaceae Infections - Infections with bacteria of the family MORAXELLACEAE....

Morbidity - The proportion of patients with a particular disease during a given year per given unit of populatio...

Morbillivirus - A genus of the family PARAMYXOVIRIDAE (subfamily PARAMYXOVIRINAE) where the virions of most members ...

Morbillivirus Infections - Infections with viruses of the genus MORBILLIVIRUS, family PARAMYXOVIRIDAE. Infections mainly cause ...

Morganella - A genus of gram-negative, facultatively anaerobic, straight rods which are motile by peritrichous fl...

Morganella morganii - A species of MORGANELLA formerly classified as a Proteus species. It is found in the feces of humans...

Morgellons Disease - An unexplained illness which is characterized by skin manifestations including non-healing lesions, ...

Moricizine - An antiarrhythmia agent used primarily for ventricular rhythm disturbances....

Morinda - A plant genus of the family RUBIACEAE. Members contain iridoid glycosides and ANTHRAQUINONES....

Moringa - A plant genus of the family Moringaceae, order Capparales, subclass Dilleniidae, class Magnoliopsida...

Moringa oleifera - A plant species of the family Moringaceae, order Capparales, subclass Dilleniidae. It is a source o...

Moritella - A genus of gram-negative, curved or straight rod-shaped bacteria, in the family ALTEROMONADACEAE. Th...

Morning Sickness - Symptoms of NAUSEA and VOMITING in pregnant women that usually occur in the morning during the first...

Morocco - A country located in north Africa, bordering the Atlantic Ocean and the Mediterranean Sea, with a so...

Morphinans - Compounds based on a partially saturated iminoethanophenanthrene, which can be described as ethylimi...

Morphine - The principal alkaloid in opium and the prototype opiate analgesic and narcotic. Morphine has widesp...

Morphine Dependence - Strong dependence, both physiological and emotional, upon morphine....

Morphine Derivatives - Analogs or derivatives of morphine....

Morphogenesis - The development of anatomical structures to create the form of a single- or multi-cell organism. Mor...

Mortality - All deaths reported in a given population....

Mortierella - A genus of zygomycetous fungi of the family Mortierellaceae, order MUCORALES. Its species are abunda...

Mortuary Practice - Activities associated with the disposition of the dead. It excludes cultural practices such as funer...

Morula - An early embryo that is a compact mass of about 16 BLASTOMERES. It resembles a cluster of mulberries...

Morus - A plant genus of the family MORACEAE that is widely planted for shade....

Mosaic Viruses - Viruses which produce a mottled appearance of the leaves of plants....

Mosaicism - The occurrence in an individual of two or more cell populations of different chromosomal constitutio...

Mosquito Control - The reduction or regulation of the population of mosquitoes through chemical, biological, or other m...

Mosquito Nets - Free-standing or supported light weight meshwork fabric made of cotton, silk, polyester or other mat...

Mossy Fibers, Hippocampal - Axons of certain cells in the DENTATE GYRUS. They project to the polymorphic layer of the dentate gy...

Mother-Child Relations - Interaction between the mother and the child....

Mothers - Female parents, human or animal....

Moths - Insects of the suborder Heterocera of the order LEPIDOPTERA....

Motilin - A peptide of about 22-amino acids isolated from the DUODENUM. At low pH it inhibits gastric motor ac...

Motion - Physical motion, i.e., a change in position of a body or subject as a result of an external force. I...

Motion Perception - The real or apparent movement of objects through the visual field....

Motion Pictures as Topic - The art, technique, or business of producing motion pictures for entertainment, propaganda, or instr...

Motion Sickness - Disorder caused by motion, as sea sickness, train sickness, car sickness, air sickness, or SPACE MOT...

Motion Therapy, Continuous Passive - Movement of a body part initiated and maintained by a mechanical or electrical device to restore nor...

Motivation - Those factors which cause an organism to behave or act in either a goal-seeking or satisfying manner...

Motor Activity - The physical activity of a human or an animal as a behavioral phenomenon....

Motor Cortex - Area of the frontal lobe concerned with primary motor control. It lies anterior to the central sulcu...

Motor Endplate - The specialized postsynaptic region of a muscle cell. The motor endplate is immediately across the s...

Motor Neuron Disease - Diseases characterized by a selective degeneration of the motor neurons of the spinal cord, brainste...

Motor Neurons - Neurons which activate muscle cells....

Motor Neurons, Gamma - Motor neurons which activate the contractile regions of intrafusal SKELETAL MUSCLE FIBERS, thus adju...

Motor Skills - Performance of complex motor acts....

Motor Skills Disorders - Marked impairments in the development of motor coordination such that the impairment interferes with...

Motor Vehicles - AUTOMOBILES, trucks, buses, or similar engine-driven conveyances. (From Random House Unabridged Dict...

Motorcycles - Two-wheeled, engine-driven vehicles....

Mountaineering - A sport involving mountain climbing techniques....

Mouth - The oval-shaped oral cavity located at the apex of the digestive tract and consisting of two parts: ...

Mouth Abnormalities - Congenital absence of or defects in structures of the mouth....

Mouth Breathing - Abnormal breathing through the mouth, usually associated with obstructive disorders of the nasal pas...

Mouth Mucosa - Lining of the ORAL CAVITY, including mucosa on the GUMS; the PALATE; the LIP; the CHEEK; floor of th...

Mouth Neoplasms - Tumors or cancer of the MOUTH....

Mouth Protectors - Devices or pieces of equipment placed in or around the mouth or attached to instruments to protect t...

Mouth, Edentulous - Total lack of teeth through disease or extraction....

Mouthwashes - Solutions for rinsing the mouth, possessing cleansing, germicidal, or palliative properties. (From B...

Movement - The act, process, or result of passing from one place or position to another. It differs from LOCOMO...

Movement Disorders - Syndromes which feature DYSKINESIAS as a cardinal manifestation of the disease process. Included in ...

Moving and Lifting Patients - Moving or repositioning patients within their beds, from bed to bed, bed to chair, or otherwise from...

Moxalactam - Broad- spectrum beta-lactam antibiotic similar in structure to the CEPHALOSPORINS except for the sub...

Moxibustion - The burning of a small, thimble sized, smoldering plug of dried leaves on the SKIN at an ACUPUNCTURE...

Moxisylyte - An alpha-adrenergic blocking agent that is used in Raynaud's disease. It is also used locally in the...

Moyamoya Disease - A noninflammatory, progressive occlusion of the intracranial CAROTID ARTERIES and the formation of n...

Mozambique - A republic in southern Africa, south of TANZANIA, east of ZAMBIA and ZIMBABWE, bordered on the west ...

MP3-Player - Portable electronics device for storing and playing audio and or media files. MP3 for MPEG-1 audio ...

MPTP Poisoning - A condition caused by the neurotoxin MPTP which causes selective destruction of nigrostriatal dopami...

mRNA Cleavage and Polyadenylation Factors - Factors that are involved in directing the cleavage and POLYADENYLATION of the of MESSENGER RNA near...

MSH Release-Inhibiting Hormone - A hypothalamic tripeptide, enzymatic degradation product of OXYTOCIN, that inhibits the release of M...

MSX1 Transcription Factor - A homeodomain protein that interacts with TATA-BOX BINDING PROTEIN. It represses GENETIC TRANSCRIPTI...

Mucin 5AC - A gel-forming mucin that is primarily found on the surface of gastric epithelium and in the RESPIRAT...

Mucin-1 - Carbohydrate antigen elevated in patients with tumors of the breast, ovary, lung, and prostate as we...

Mucin-2 - A gel-forming mucin found predominantly in SMALL INTESTINE and variety of mucous membrane-containing...

Mucin-3 - A membrane-bound mucin subtype that is primarily found in INTESTINAL MUCOSA. Two closely-related sub...

Mucin-4 - A transmembrane mucin that is found in a broad variety of epithelial tissue. Mucin-4 may play a role...

Mucin-5B - A gel-forming mucin that is predominantly expressed by submucosal glands of airway tissues and the S...

Mucin-6 - A gel-forming mucin that is predominantly associated with the gastric epithelium....

Mucinoses - Mucoid states characterized by the elevated deposition and accumulation of mucin (mucopolysaccharide...

Mucinosis, Follicular - A disease of the pilosebaceous unit, presenting clinically as grouped follicular papules or plaques ...

Mucins - High molecular weight mucoproteins that form a protective biofilm on the surface of EPITHELIAL CELLS...

Mucocele - A retention cyst of the salivary gland, lacrimal sac, paranasal sinuses, appendix, or gallbladder. (...

Mucociliary Clearance - A non-specific host defense mechanism that removes MUCUS and other material from the LUNGS by ciliar...

Mucocutaneous Lymph Node Syndrome - An acute, febrile, mucocutaneous condition accompanied by swelling of cervical lymph nodes in infant...

Mucoepidermoid Tumor - A malignant epithelial tumor of glandular tissue, especially the salivary glands, characterized by a...

Mucolipidoses - A group of inherited metabolic diseases characterized by the accumulation of excessive amounts of ac...

Mucopolysaccharidoses - Group of lysosomal storage diseases each caused by an inherited deficiency of an enzyme involved in ...

Mucopolysaccharidosis I - Systemic lysosomal storage disease caused by a deficiency of alpha-L-iduronidase (IDURONIDASE) and c...

Mucopolysaccharidosis II - Systemic lysosomal storage disease marked by progressive physical deterioration and caused by a defi...

Mucopolysaccharidosis III - Mucopolysaccharidosis characterized by heparitin sulfate in the urine, progressive mental retardatio...

Mucopolysaccharidosis IV - Genetic disorder of mucopolysaccharide metabolism characterized by skeletal abnormalities, joint ins...

Mucopolysaccharidosis VI - Mucopolysaccharidosis with excessive chondroitin sulfate B in urine, characterized by dwarfism and d...

Mucopolysaccharidosis VII - Mucopolysaccharidosis characterized by excessive dermatan and heparan sulfates in the urine and Hurl...

Mucoproteins - Conjugated proteins in which mucopolysaccharides are combined with proteins. The mucopolysaccharide ...

Mucor - A genus of zygomycetous fungi of the family Mucoraceae, order Mucorales. It is primarily saprophytic...

Mucorales - An order of zygomycetous fungi, usually saprophytic, causing damage to food in storage, but which ma...

Mucormycosis - Infection in humans and animals caused by any fungus in the order Mucorales (e.g., Absidia, Mucor, R...

Mucositis - An INFLAMMATION of the MUCOSA with burning or tingling sensation. It is characterized by atrophy of ...

Mucous Membrane - An EPITHELIUM with MUCUS-secreting cells, such as GOBLET CELLS. It forms the lining of many body cav...

Mucuna - A plant genus of the family FABACEAE that is the source of mucuna gum....

Mucus - The viscous secretion of mucous membranes. It contains mucin, white blood cells, water, inorganic sa...

Mud Therapy - The therapeutic use of mud in packs or baths taking advantage of the absorptive qualities of the mud...

Muir-Torre Syndrome - A form of LYNCH SYNDROME II associated with cutaneous SEBACEOUS GLAND NEOPLASMS. Muir-Torre syndrome...

Mulibrey Nanism - Growth failure from birth that is due to mutations in a gene (TRIM37) on chromosome 17q22-q23 which ...

Mullerian Ducts - A pair of ducts near the WOLFFIAN DUCTS in a developing embryo. In the male embryo, they degenerate ...

Multicenter Studies as Topic - Controlled studies which are planned and carried out by several cooperating institutions to assess c...

Multicenter Study - Work consisting of a controlled study executed by several cooperating institutions....

Multicystic Dysplastic Kidney - A nongenetic defect due to malformation of the KIDNEY which appears as a bunch of grapes with multip...

Multidrug Resistance-Associated Proteins - A sequence-related subfamily of ATP-BINDING CASSETTE TRANSPORTERS that actively transport organic su...

Multienzyme Complexes - Systems of enzymes which function sequentially by catalyzing consecutive reactions linked by common ...

Multifactorial Inheritance - A phenotypic outcome (physical characteristic or disease predisposition) that is determined by more ...

Multigene Family - A set of genes descended by duplication and variation from some ancestral gene. Such genes may be cl...

Multi-Institutional Systems - Institutional systems consisting of more than one health facility which have cooperative administrat...

Multilevel Analysis - The statistical manipulation of hierarchically and non-hierarchically nested data. It includes clust...

Multilingualism - The ability to speak, read, or write several languages or many languages with some facility. Bilingu...

Multimedia - Materials, frequently computer applications, that combine some or all of text, sound, graphics, anim...

Multiphasic Screening - The simultaneous use of multiple laboratory procedures for the detection of various diseases. These ...

Multiple Acyl Coenzyme A Dehydrogenase Deficiency - An autosomal recessive disorder of fatty acid oxidation, and branched chain amino acids (AMINO ACIDS...

Multiple Birth Offspring - The offspring in multiple pregnancies (PREGNANCY, MULTIPLE): TWINS; TRIPLETS; QUADRUPLETS; QUINTUPLE...

Multiple Carboxylase Deficiency - A deficiency in the activities of biotin-dependent enzymes (propionyl-CoA carboxylase, methylcrotony...

Multiple Chemical Sensitivity - An acquired disorder characterized by recurrent symptoms, referable to multiple organ systems, occur...

Multiple Endocrine Neoplasia - A group of autosomal dominant diseases characterized by the combined occurrence of tumors involving ...

Multiple Endocrine Neoplasia Type 1 - A form of multiple endocrine neoplasia that is characterized by the combined occurrence of tumors in...

Multiple Endocrine Neoplasia Type 2a - A form of multiple endocrine neoplasia characterized by the presence of medullary carcinoma (CARCINO...

Multiple Endocrine Neoplasia Type 2b - Similar to MEN2A, it is also caused by mutations of the MEN2 gene, also known as the RET proto-oncog...

Multiple Myeloma - A malignancy of mature PLASMA CELLS engaging in monoclonal immunoglobulin production. It is characte...

Multiple Organ Failure - A progressive condition usually characterized by combined failure of several organs such as the lung...

Multiple Personality Disorder - A dissociative disorder in which the individual adopts two or more distinct personalities. Each pers...

Multiple Pulmonary Nodules - A number of small lung lesions characterized by small round masses of 2- to 3-mm in diameter. They a...

Multiple Sclerosis - An autoimmune disorder mainly affecting young adults and characterized by destruction of myelin in t...

Multiple Sclerosis, Chronic Progressive - A form of multiple sclerosis characterized by a progressive deterioration in neurologic function whi...

Multiple Sclerosis, Relapsing-Remitting - The most common clinical variant of MULTIPLE SCLEROSIS, characterized by recurrent acute exacerbatio...

Multiple Sulfatase Deficiency Disease - An inherited metabolic disorder characterized by the intralysosomal accumulation of sulfur-containin...

Multiple System Atrophy - A syndrome complex composed of three conditions which represent clinical variants of the same diseas...

Multiple Trauma - Physical insults or injuries occurring simultaneously in several parts of the body....

Multipotent Stem Cells - Specialized stem cells that are committed to give rise to cells that have a particular function; exa...

Multiprotein Complexes - Macromolecular complexes formed from the association of defined protein subunits....

Multivariate Analysis - A set of techniques used when variation in several variables has to be studied simultaneously. In st...

Multivesicular Bodies - Endosomes containing intraluminal vesicles which are formed by the inward budding of the endosome me...

Mummies - Bodies preserved either by the ancient Egyptian technique or due to chance under favorable climatic ...

Mumps - An acute infectious disease caused by RUBULAVIRUS, spread by direct contact, airborne droplet nuclei...

Mumps Vaccine - A live attenuated virus vaccine of chick embryo origin, used for routine immunization of children an...

Mumps virus - The type species of RUBULAVIRUS that causes an acute infectious disease in humans, affecting mainly ...

Munc18 Proteins - A family of proteins involved in intracellular membrane trafficking. They interact with SYNTAXINS an...

Munchausen Syndrome - A factitious disorder characterized by habitual presentation for hospital treatment of an apparent a...

Munchausen Syndrome by Proxy - A phenomenon in which symptoms of a disease are fabricated by an individual other than the patient c...

Muntjacs - A genus, Muntiacus, of the deer family (Cervidae) comprising six species living in China, Tibet, Nep...

Mupapillomavirus - A genus of DNA viruses in the family PAPILLOMAVIRIDAE, causing cutaneous lesions in humans....

Mupirocin - A topically used antibiotic from a strain of Pseudomonas fluorescens. It has shown excellent activit...

Muramic Acids - Compounds consisting of glucosamine and lactate joined by an ether linkage. They occur naturally as ...

Muramidase - A basic enzyme that is present in saliva, tears, egg white, and many animal fluids. It functions as ...

Muramoylpentapeptide Carboxypeptidase - Enzyme which catalyzes the peptide cross-linking of nascent CELL WALL; PEPTIDOGLYCAN....

Murexide - 5,5'-Nitrilodibarbituric acid ammonium derivative. Used as an indicator for complexometric titration...

Muridae - A family of the order Rodentia containing 250 genera including the two genera Mus (MICE) and Rattus ...

Murinae - A subfamily in the family MURIDAE, comprising the Old World MICE and RATS....

Murine Acquired Immunodeficiency Syndrome - Acquired defect of cellular immunity that occurs in mice infected with mouse leukemia viruses (MuLV)...

Murine hepatitis virus - A species of the CORONAVIRUS genus causing hepatitis in mice. Four strains have been identified as M...

Murine pneumonia virus - A species of the genus PNEUMOVIRUS causing pneumonia in mice....

Muromegalovirus - A genus of the family HERPESVIRIDAE, subfamily BETAHERPESVIRINAE, causing infection involving severa...

Muromonab-CD3 - Anti-CD3 monoclonal antibody that exerts immunosuppressive effects by inducing peripheral T-cell dep...

Murraya - A plant genus of the family RUTACEAE. Members contain murrayanine, koenine, isomahanine, kwangsine, ...

Musa - A plant genus of the family Musaceae, order Zingiberales, subclass Zingiberidae, class Liliopsida....

Musaceae - A plant family of the order ZINGIBERALES, subclass Zingiberidae, class Liliopsida best known for ban...

Muscarine - A toxic alkaloid found in Amanita muscaria (fly fungus) and other fungi of the Inocybe species. It i...

Muscarinic Agonists - Drugs that bind to and activate muscarinic cholinergic receptors (RECEPTORS, MUSCARINIC). Muscarinic...

Muscarinic Antagonists - Drugs that bind to but do not activate muscarinic cholinergic receptors (RECEPTORS, MUSCARINIC), the...

Muscidae - A family of the order DIPTERA with over 700 species. Important species that may be mechanical vector...

Muscimol - Neurotoxic isoxazole isolated from Amanita muscaria and A. phalloides and also obtained by decarboxy...

Muscle Cells - Mature contractile cells, commonly known as myocytes, that form one of three kinds of muscle. The th...

Muscle Contraction - A process leading to shortening and/or development of tension in muscle tissue. Muscle contraction o...

Muscle Cramp - A sustained and usually painful contraction of muscle fibers. This may occur as an isolated phenomen...

Muscle Denervation - The resection or removal of the innervation of a muscle or muscle tissue....

Muscle Development - Developmental events leading to the formation of adult muscular system, which includes differentiati...

Muscle Fatigue - A state arrived at through prolonged and strong contraction of a muscle. Studies in athletes during ...

Muscle Fibers, Fast-Twitch - Skeletal muscle fibers characterized by their expression of the Type II MYOSIN HEAVY CHAIN isoforms ...

Muscle Fibers, Skeletal - Large, multinucleate single cells, either cylindrical or prismatic in shape, that form the basic uni...

Muscle Fibers, Slow-Twitch - Skeletal muscle fibers characterized by their expression of the Type I MYOSIN HEAVY CHAIN isoforms w...

Muscle Hypertonia - Abnormal increase in skeletal or smooth muscle tone. Skeletal muscle hypertonicity may be associated...

Muscle Hypotonia - A diminution of the skeletal muscle tone marked by a diminished resistance to passive stretching....

Muscle Neoplasms - Tumors or cancer located in muscle tissue or specific muscles. They are differentiated from NEOPLASM...

Muscle Proteins - The protein constituents of muscle, the major ones being ACTINS and MYOSINS. More than a dozen acces...

Muscle Relaxants, Central - A heterogeneous group of drugs used to produce muscle relaxation, excepting the neuromuscular blocki...

Muscle Relaxation - That phase of a muscle twitch during which a muscle returns to a resting position....

Muscle Rigidity - Continuous involuntary sustained muscle contraction which is often a manifestation of BASAL GANGLIA ...

Muscle Spasticity - A form of muscle hypertonia associated with upper MOTOR NEURON DISEASE. Resistance to passive stretc...

Muscle Spindles - Skeletal muscle structures that function as the mechanoreceptors responsible for the stretch or myot...

Muscle Strength - The amount of force generated by MUSCLE CONTRACTION. Muscle strength can be measured during isometri...

Muscle Strength Dynamometer - A device that measures MUSCLE STRENGTH during muscle contraction, such as gripping, pushing, and pul...

Muscle Stretching Exercises - Exercises that stretch the muscle fibers with the aim to increase muscle-tendon FLEXIBILITY, improve...

Muscle Tonus - The state of activity or tension of a muscle beyond that related to its physical properties, that is...

Muscle Weakness - A vague complaint of debility, fatigue, or exhaustion attributable to weakness of various muscles. T...

Muscle, Skeletal - A subtype of striated muscle, attached by TENDONS to the SKELETON. Skeletal muscles are innervated a...

Muscle, Smooth - Unstriated and unstriped muscle, one of the muscles of the internal organs, blood vessels, hair foll...

Muscle, Smooth, Vascular - The nonstriated, involuntary muscle tissue of blood vessels....

Muscle, Striated - One of two types of muscle in the body, characterized by the array of bands observed under microscop...

Muscles - Contractile tissue that produces movement in animals....

Muscular Atrophy - Derangement in size and number of muscle fibers occurring with aging, reduction in blood supply, or ...

Muscular Atrophy, Spinal - A group of disorders marked by progressive degeneration of motor neurons in the spinal cord resultin...

Muscular Diseases - Acquired, familial, and congenital disorders of SKELETAL MUSCLE and SMOOTH MUSCLE....

Muscular Disorders, Atrophic - Disorders characterized by an abnormal reduction in muscle volume due to a decrease in the size or n...

Muscular Dystrophies - A heterogeneous group of inherited MYOPATHIES, characterized by wasting and weakness of the SKELETAL...

Muscular Dystrophies, Limb-Girdle - A heterogenous group of inherited muscular dystrophy that can be autosomal dominant or autosomal rec...

Muscular Dystrophy, Duchenne - An X-linked recessive muscle disease caused by an inability to synthesize DYSTROPHIN, which is invol...

Muscular Dystrophy, Emery-Dreifuss - A heterogenous group of inherited muscular dystrophy without the involvement of nervous system. The ...

Muscular Dystrophy, Facioscapulohumeral - An autosomal dominant degenerative muscle disease characterized by slowly progressive weakness of th...

Muscular Dystrophy, Oculopharyngeal - An autosomal dominant hereditary disease that presents in late in life and is characterized by DYSPH...

Musculocutaneous Nerve - A major nerve of the upper extremity. The fibers of the musculocutaneous nerve originate in the lowe...

Musculoskeletal Abnormalities - Congenital structural abnormalities and deformities of the musculoskeletal system....

Musculoskeletal and Neural Physiological Phenomena - Properties, and processes of the MUSCULOSKELETAL SYSTEM and the NERVOUS SYSTEM or their parts....

Musculoskeletal Development - The morphologic and physiological changes of the MUSCLES, bones (BONE AND BONES), and CARTILAGE of t...

Musculoskeletal Diseases - Diseases of the muscles and their associated ligaments and other connective tissue and of the bones ...

Musculoskeletal Manipulations - Various manipulations of body tissues, muscles and bones by hands or equipment to improve health and...

Musculoskeletal Physiological Phenomena - Processes and properties of the MUSCULOSKELETAL SYSTEM....

Musculoskeletal Physiological Processes - Biological actions and functions of the MUSCULOSKELETAL SYSTEM....

Musculoskeletal System - The MUSCLES, bones (BONE AND BONES), and CARTILAGE of the body....

Mushroom Bodies - Prominent lobed neuropils found in ANNELIDA and all ARTHROPODS except crustaceans. They are thought ...

Mushroom Poisoning - Poisoning from ingestion of mushrooms, primarily from, but not restricted to, toxic varieties....

Music Therapy - The use of music as an adjunctive therapy in the treatment of neurological, mental, or behavioral di...

Mustard Compounds - Strong alkylating and immunosuppressive agents whose biological activity is based on the presence of...

Mustard Gas - Severe irritant and vesicant of skin, eyes, and lungs. It may cause blindness and lethal lung edema ...

Mustard Plant - Any of several BRASSICA species that are commonly called mustard. Brassica alba is white mustard, B....

Mustelidae - A family of terrestrial carnivores with long, slender bodies, long tails, and anal scent glands. The...

Mutagenesis - Process of generating a genetic MUTATION. It may occur spontaneously or be induced by MUTAGENS....

Mutagenesis, Insertional - Mutagenesis where the mutation is caused by the introduction of foreign DNA sequences into a gene or...

Mutagenesis, Site-Directed - Genetically engineered MUTAGENESIS at a specific site in the DNA molecule that introduces a base sub...

Mutagenicity Tests - Tests of chemical substances and physical agents for mutagenic potential. They include microbial, in...

Mutagens - Chemical agents that increase the rate of genetic mutation by interfering with the function of nucle...

Mutant Chimeric Proteins - Proteins produced from GENES that have mutated by the fusing of protein coding regions of more than ...

Mutant Proteins - Proteins produced from GENES that have acquired MUTATIONS....

Mutation - Any detectable and heritable change in the genetic material that causes a change in the GENOTYPE and...

Mutation, Missense - A mutation in which a codon is mutated to one directing the incorporation of a different amino acid....

Mutism - The inability to generate oral-verbal expression, despite normal comprehension of speech. This may b...

MutS DNA Mismatch-Binding Protein - A methyl-directed mismatch DNA REPAIR protein that has weak ATPASE activity. MutS was originally des...

MutS Homolog 2 Protein - MutS homolog 2 protein is found throughout eukaryotes and is a homolog of the MUTS DNA MISMATCH-BIND...

Muzolimine - A pyrazole diuretic with long duration and high capacity of action. It was proposed for kidney failu...

Mya - A genus of soft-shell clams in the family Myidae, class BIVALVIA....

Myanmar - A republic of southeast Asia, northwest of Thailand, long familiar as Burma. Its capital is Yangon, ...

Myasthenia Gravis - A disorder of neuromuscular transmission characterized by weakness of cranial and skeletal muscles. ...

Myasthenia Gravis, Autoimmune, Experimental - Any autoimmune animal disease model used in the study of MYASTHENIA GRAVIS. Injection with purified ...

Myasthenia Gravis, Neonatal - A disorder of neuromuscular transmission that occurs in a minority of newborns born to women with my...

Myasthenic Syndromes, Congenital - A heterogeneous group of disorders characterized by a congenital defect in neuromuscular transmissio...

Mycelium - The body of a fungus which is made up of HYPHAE....

Mycetoma - A chronic progressive subcutaneous infection caused by species of fungi (eumycetoma), or actinomycet...

Mycetozoa - A group of AMOEBOZOA comprising two distinct groups with the ability to form fruiting bodies: DICTYO...

Mycobacillin - A cyclic polypeptide antibiotic isolated from culture filtrates of Bacillus subtilis that acts as an...

Mycobacteria, Atypical - So-called atypical species of the genus MYCOBACTERIUM. They are also called tuberculoid bacilli, i.e...

Mycobacteriaceae - A family of gram-positive bacteria found in soil and dairy products and as parasites on animals and ...

Mycobacteriophages - Viruses whose host is one or more Mycobacterium species. They include both temperate and virulent ty...

Mycobacterium - A genus of gram-positive, aerobic bacteria. Most species are free-living in soil and water, but the ...

Mycobacterium avium - A bacterium causing tuberculosis in domestic fowl and other birds. In pigs, it may cause localized a...

Mycobacterium avium Complex - A complex that includes several strains of M. avium. M. intracellulare is not easily distinguished f...

Mycobacterium avium subsp. paratuberculosis - A subspecies of gram-positive, aerobic bacteria. It is the etiologic agent of Johne's disease (PARAT...

Mycobacterium avium-intracellulare Infection - A nontuberculous infection when occurring in humans. It is characterized by pulmonary disease, lymph...

Mycobacterium bovis - The bovine variety of the tubercle bacillus. It is called also Mycobacterium tuberculosis var. bovis...

Mycobacterium chelonae - A species of gram-positive, aerobic bacteria commonly found in soil and occasionally isolated from s...

Mycobacterium fortuitum - A rapid-growing, nonphotochromogenic species that is potentially pathogenic, producing lesions of lu...

Mycobacterium haemophilum - A species of gram-positive, aerobic bacteria that causes granulomatous or ulcerating skin lesions in...

Mycobacterium Infections - Infections with bacteria of the genus MYCOBACTERIUM....

Mycobacterium Infections, Atypical - Infections with so called atypical mycobacteria (tuberculoid bacilli): M. kansasii, M. marinum, M. s...

Mycobacterium kansasii - A slow-growing, photochromogenic species that is the etiologic agent of a tuberculosis-like disease ...

Mycobacterium leprae - A species of gram-positive, aerobic bacteria that causes LEPROSY in man. Its organisms are generally...

Mycobacterium lepraemurium - The etiologic agent of rat leprosy, also known as murine leprosy....

Mycobacterium marinum - A moderate-growing, photochromogenic species found in aquariums, diseased fish, and swimming pools. ...

Mycobacterium phlei - A saprophytic bacterium widely distributed in soil and dust and on plants....

Mycobacterium scrofulaceum - A non-tuberculous mycobacterium causing cervical lymphadenitis in children. It very rarely causes pu...

Mycobacterium smegmatis - A rapid-growing, nonphotochromogenic species of MYCOBACTERIUM originally isolated from human smegma ...

Mycobacterium tuberculosis - A species of gram-positive, aerobic bacteria that produces TUBERCULOSIS in humans, other primates, C...

Mycobacterium ulcerans - A slow-growing mycobacterium that infects the skin and subcutaneous tissues, giving rise to indolent...

Mycobacterium xenopi - A slow-growing, scotochromogenic species occurring usually harmlessly in human secretions but occasi...

Mycological Typing Techniques - Procedures for identifying types and strains of fungi....

Mycology - The study of the structure, growth, function, genetics, and reproduction of fungi, and MYCOSES....

Mycophenolic Acid - An antibiotic substance derived from Penicillium stoloniferum, and related species. It blocks de nov...

Mycoplasma - A genus of gram-negative, mostly facultatively anaerobic bacteria in the family MYCOPLASMATACEAE. Th...

Mycoplasma agalactiae - A species of gram-negative bacteria causing contagious agalactia of SHEEP and GOATS....

Mycoplasma arthritidis - A species of gram-negative bacteria causing purulent POLYARTHRITIS in RATS....

Mycoplasma bovigenitalium - A species of gram-negative bacteria pathogenic to CATTLE....

Mycoplasma bovis - A species of gram-negative bacteria causing MASTITIS; ARTHRITIS; and RESPIRATORY TRACT DISEASES in C...

Mycoplasma capricolum - A genus in the family ENTOMOPLASMATACEAE, order Entomoplasmatales. It is pathogenic to GOATS, causin...

Mycoplasma conjunctivae - A species of gram-negative bacteria causing CONJUNCTIVITIS and KERATOCONJUNCTIVITIS in SHEEP and GOA...

Mycoplasma dispar - A species of gram-negative bacteria causing PNEUMONIA, MYCOPLASMA in calves. Mycoplasma dispar also ...

Mycoplasma fermentans - A species of the genus MYCOPLASMA, originally isolated infrequently from the lower genital tract of ...

Mycoplasma gallisepticum - A species of gram-negative bacteria causing chronic respiratory disease in POULTRY....

Mycoplasma genitalium - A species of gram-negative bacteria originally isolated from urethral specimens of patients with non...

Mycoplasma hominis - A common inhabitant of the vagina and cervix and a potential human pathogen, causing infections of t...

Mycoplasma hyopneumoniae - A species of gram-negative bacteria that causes MYCOPLASMA PNEUMONIA OF SWINE. The organism damages ...

Mycoplasma hyorhinis - A species of gram-negative bacteria and a common inhabitant of the NASAL CAVITY of both healthy and ...

Mycoplasma hyosynoviae - A species of gram-negative bacteria isolated from the SYNOVIAL FLUID; LYMPH NODES; and MUCOUS MEMBRA...

Mycoplasma Infections - Infections with species of the genus MYCOPLASMA....

Mycoplasma iowae - A species of gram-negative bacteria causing lesions to AIR SACS and HOCK joints in TURKEYS....

Mycoplasma meleagridis - A species of gram-negative bacteria producing air sacculitis and skeletal abnormalities in TURKEYS....

Mycoplasma mycoides - The etiological agent of contagious pleuropneumonia (PLEUROPNEUMONIA, CONTAGIOUS) of cattle and goat...

Mycoplasma orale - A species of gram-negative bacteria that is a common inhabitant of the human OROPHARYNX and also cel...

Mycoplasma ovipneumoniae - A species of gram-negative bacteria originally isolated from the LUNGS; TRACHEA; and NASAL CAVITY of...

Mycoplasma penetrans - A species of gram-negative, facultatively anaerobic bacteria. This organism shows remarkable pathobi...

Mycoplasma pneumoniae - Short filamentous organism of the genus Mycoplasma, which binds firmly to the cells of the respirato...

Mycoplasma pulmonis - A species of gram-negative bacteria highly pathogenic to RATS and MICE. It is the primary cause of m...

Mycoplasma salivarium - A species of gram-negative bacteria strongly implicated in oral infection, PERIODONTAL DISEASES, eye...

Mycoplasma synoviae - A species of gram-negative bacteria pathogenic to CHICKENS; TURKEYS, and guinea fowls. It causes dis...

Mycoplasmataceae - A family of gram-negative, non-motile bacteria from human and animal sources. One saprophytic specie...

Mycoplasmatales - An order of highly pleomorphic, gram-negative bacteria including both pathogenic and saprophytic spe...

Mycoplasmatales Infections - Infections with bacteria of the order MYCOPLASMATALES....

Mycorrhizae - Symbiotic combination (dual organism) of the MYCELIUM of FUNGI with the roots of plants (PLANT ROOTS...

Mycosis Fungoides - A chronic, malignant T-cell lymphoma of the skin. In the late stages, the LYMPH NODES and viscera ar...

Mycotoxicosis - Poisoning caused by the ingestion of mycotoxins (toxins of fungal origin)....

Mycotoxins - Toxic compounds produced by FUNGI....

Mydriasis - Dilation of pupils to greater than 6 mm combined with failure of the pupils to constrict when stimul...

Mydriatics - Agents that dilate the pupil. They may be either sympathomimetics or parasympatholytics. The latter ...

Myelencephalon - The most posterior portion of the hindbrain from which MEDULLA OBLONGATA is derived....

Myelin Basic Proteins - A group of 7 proteins produced from a single gene by alternate splicing found in central and periphe...

Myelin P0 Protein - A protein that accounts for more than half of the peripheral nervous system myelin protein. The extr...

Myelin P2 Protein - A positively charged protein found in peripheral nervous system myelin. Sensitive immunological tech...

Myelin Proteins - Proteins found in the myelin sheath. The major proteins of central nervous system myelin include: MY...

Myelin Proteolipid Protein - A myelin protein that is the major component of the organic solvent extractable lipoprotein complexe...

Myelin Sheath - The lipid-rich sheath surrounding AXONS in both the central and peripheral nervous systems. The myel...

Myelin-Associated Glycoprotein - A myelin protein found in the periaxonal membrane of both the central and peripheral nervous systems...

Myelinolysis, Central Pontine - A demyelinating condition affecting the PONS and characterized clinically by an acute progressive QU...

Myelitis - Inflammation of the spinal cord. Relatively common etiologies include infections; AUTOIMMUNE DISEASE...

Myelitis, Transverse - Inflammation of a transverse portion of the spinal cord characterized by acute or subacute segmental...

Myeloablative Agonists - Agents that destroy bone marrow activity. They are used to prepare patients for BONE MARROW TRANSPLA...

Myeloblastin - A polymorphonuclear leukocyte-derived serine protease that degrades proteins such as ELASTIN; FIBRON...

Myelodysplastic Syndromes - Clonal hematopoietic stem cell disorders characterized by dysplasia in one or more hematopoietic cel...

Myelodysplastic-Myeloproliferative Diseases - Clonal myeloid disorders that possess both dysplastic and proliferative features but are not properl...

Myelography - X-ray visualization of the spinal cord following injection of contrast medium into the spinal arachn...

Myeloid Cells - The classes of BONE MARROW-derived blood cells in the monocytic series (MONOCYTES and their precurso...

Myeloid Differentiation Factor 88 - An intracellular signaling adaptor protein that plays a role in TOLL-LIKE RECEPTOR and INTERLEUKIN 1...

Myeloid Progenitor Cells - Stem cells derived from HEMATOPOIETIC STEM CELLS. Derived from these myeloid progenitor cells are th...

Myeloid-Lymphoid Leukemia Protein - Myeloid-lymphoid leukemia protein is a transcription factor that maintains high levels of HOMEOTIC G...

Myelolipoma - A rare benign tumor of the adrenal gland, several centimeters in diameter, composed in varying propo...

Myeloma Proteins - Abnormal immunoglobulins characteristic of MULTIPLE MYELOMA....

Myelopoiesis - Formation of MYELOID CELLS from the pluripotent HEMATOPOIETIC STEM CELLS in the BONE MARROW via MYEL...

Myeloproliferative Disorders - Conditions which cause proliferation of hemopoietically active tissue or of tissue which has embryon...

Myenteric Plexus - One of two ganglionated neural networks which together form the ENTERIC NERVOUS SYSTEM. The myenteri...

Myiasis - The invasion of living tissues of man and other mammals by dipterous larvae....

Myoblasts - Embryonic (precursor) cells of the myogenic lineage that develop from the MESODERM. They undergo pro...

Myoblasts, Cardiac - Precursor cells destined to differentiate into cardiac myocytes (MYOCYTES, CARDIAC)....

Myoblasts, Skeletal - Precursor cells destined to differentiate into skeletal myocytes (MYOCYTES, SKELETAL)....

Myoblasts, Smooth Muscle - Precursor cells destined to differentiate into smooth muscle myocytes (MYOCYTES, SMOOTH MUSCLE)....

Myocardial Bridging - A malformation that is characterized by a muscle bridge over a segment of the CORONARY ARTERIES. Sys...

Myocardial Contraction - Contractile activity of the MYOCARDIUM....

Myocardial Depressant Factor - A low molecular weight peptide of about 800-1000 having a negative inotropic effect. It is released ...

Myocardial Infarction - NECROSIS of the MYOCARDIUM caused by an obstruction of the blood supply to the heart (CORONARY CIRCU...

Myocardial Ischemia - A disorder of cardiac function caused by insufficient blood flow to the muscle tissue of the heart. ...

Myocardial Perfusion Imaging - The creation and display of functional images showing where the blood is flowing into the MYOCARDIUM...

Myocardial Reperfusion - Generally, restoration of blood supply to heart tissue which is ischemic due to decrease in normal b...

Myocardial Reperfusion Injury - Damage to the MYOCARDIUM resulting from MYOCARDIAL REPERFUSION (restoration of blood flow to ischemi...

Myocardial Revascularization - The restoration of blood supply to the myocardium. (From Dorland, 28th ed)...

Myocardial Stunning - Prolonged dysfunction of the myocardium after a brief episode of severe ischemia, with gradual retur...

Myocarditis - Inflammatory processes of the muscular walls of the heart (MYOCARDIUM) which result in injury to the...

Myocardium - The muscle tissue of the HEART. It is composed of striated, involuntary muscle cells (MYOCYTES, CARD...

Myoclonic Cerebellar Dyssynergia - A condition marked by progressive CEREBELLAR ATAXIA combined with MYOCLONUS usually presenting in th...

Myoclonic Epilepsies, Progressive - A heterogeneous group of primarily familial disorders characterized by myoclonic seizures, tonic-clo...

Myoclonic Epilepsy, Juvenile - A disorder characterized by the onset of myoclonus in adolescence, a marked increase in the incidenc...

Myoclonus - Involuntary shock-like contractions, irregular in rhythm and amplitude, followed by relaxation, of a...

Myocytes, Cardiac - Striated muscle cells found in the heart. They are derived from cardiac myoblasts (MYOBLASTS, CARDIA...

Myocytes, Smooth Muscle - Non-striated, elongated, spindle-shaped cells found lining the digestive tract, uterus, and blood ve...

MyoD Protein - A myogenic regulatory factor that controls myogenesis. Though it is not clear how its function diffe...

Myoelectric Complex, Migrating - A pattern of gastrointestinal muscle contraction and depolarizing myoelectric activity that moves fr...

Myoepithelioma - A usually benign tumor made up predominantly of myoepithelial cells....

Myofascial Pain Syndromes - Muscular pain in numerous body regions that can be reproduced by pressure on trigger points, localiz...

Myofibrils - The long cylindrical contractile organelles of STRIATED MUSCLE cells composed of ACTIN FILAMENTS; MY...

Myofibroma - A benign tumor that consists chiefly of fibrous CONNECTIVE TISSUE, with variable numbers of MUSCLE C...

Myofibromatosis - A condition characterized by multiple formations of myofibromas (LEIOMYOMA)....

Myofunctional Therapy - Training or retraining of the buccal, facial, labial, and lingual musculature in toothless condition...

Myogenic Regulatory Factor 5 - A SKELETAL MUSCLE-specific transcription factor that contains a basic HELIX-LOOP-HELIX MOTIF. It pla...

Myogenic Regulatory Factors - A family of muscle-specific transcription factors which bind to DNA in control regions and thus regu...

Myogenin - A myogenic regulatory factor that controls myogenesis. Myogenin is induced during differentiation of...

Myoglobin - A conjugated protein which is the oxygen-transporting pigment of muscle. It is made up of one globin...

Myography - The recording of muscular movements. The apparatus is called a myograph, the record or tracing, a my...

Myo-Inositol-1-Phosphate Synthase - An enzyme that catalyzes the formation of myo-inositol-1-phosphate from glucose-6-phosphate in the p...

Myokymia - Successive and rapid contractions of motor units associated with chronic nerve injury. The discharge...

Myoma - A benign neoplasm of muscular tissue. (Stedman, 25th ed)...

Myometrium - The smooth muscle coat of the uterus, which forms the main mass of the organ....

Myopathies, Nemaline - A group of inherited congenital myopathic conditions characterized clinically by weakness, hypotonia...

Myopathies, Structural, Congenital - A heterogeneous group of diseases characterized by the early onset of hypotonia, developmental delay...

Myopathy, Central Core - An inherited congenital myopathic condition characterized by weakness and hypotonia in infancy and d...

Myopia - A refractive error in which rays of light entering the EYE parallel to the optic axis are brought to...

Myopia, Degenerative - Excessive axial myopia associated with complications (especially posterior staphyloma and CHOROIDAL ...

Myoporaceae - A plant family of the order Scrophulariales, subclass Asteridae, class Magnoliopsida....

Myoporum - A plant genus of the family MYOPORACEAE. Members contain dehydrongaione, deisopropylngaione, dehydro...

Myosarcoma - A general term for a malignant neoplasm derived from muscular tissue. (Stedman, 25th ed)...

Myosin Heavy Chains - The larger subunits of MYOSINS. The heavy chains have a molecular weight of about 230 kDa and each h...

Myosin Light Chains - The smaller subunits of MYOSINS that bind near the head groups of MYOSIN HEAVY CHAINS. The myosin l...

Myosin Subfragments - Parts of the myosin molecule resulting from cleavage by proteolytic enzymes (PAPAIN; TRYPSIN; or CHY...

Myosin Type I - A subclass of myosins found generally associated with actin-rich membrane structures such as filopod...

Myosin Type II - The subfamily of myosin proteins that are commonly found in muscle fibers. Myosin II is also involve...

Myosin Type III - A subclass of myosins originally found in the photoreceptor of DROSOPHILA. The heavy chains can occu...

Myosin Type IV - A subclass of myosin found in ACANTHAMOEBA. It is a non-filamentous myosin containing a single 180-k...

Myosin Type V - A subclass of myosin involved in organelle transport and membrane targeting. It is abundantly found ...

Myosin-Light-Chain Kinase - An enzyme that phosphorylates myosin light chains in the presence of ATP to yield myosin-light chain...

Myosin-Light-Chain Phosphatase - A phosphoprotein phosphatase that is specific for MYOSIN LIGHT CHAINS. It is composed of three subun...

Myosins - A diverse superfamily of proteins that function as translocating proteins. They share the common cha...

Myositis - Inflammation of a muscle or muscle tissue....

Myositis Ossificans - A disease characterized by bony deposits or the ossification of muscle tissue....

Myositis, Inclusion Body - Progressive myopathies characterized by the presence of inclusion bodies on muscle biopsy. Sporadic ...

Myostatin - A growth differentiation factor that is a potent inhibitor of SKELETAL MUSCLE growth. It may play a ...

Myotonia - Prolonged failure of muscle relaxation after contraction. This may occur after voluntary contraction...

Myotonia Congenita - A dominantly inherited muscle disease that begins in early childhood and is characterized by severe ...

Myotonic Disorders - Diseases characterized by MYOTONIA, which may be inherited or acquired. Myotonia may be restricted t...

Myotonic Dystrophy - An autosomal dominant neuromuscular disorder which usually presents in early adulthood, characterize...

Myoviridae - A family of BACTERIOPHAGES and ARCHAEAL VIRUSES which are characterized by complex contractile tails...

Myoxidae - A family of nocturnal rodents, similar in appearance to SQUIRRELS, but smaller. There are 28 species...

Myrica - A plant genus of the family MYRICACEAE. Members contain myricanol. The common name of bayberry is si...

Myricaceae - A plant family of the order Myricales, subclass Hamamelidae, class Magnoliopsida. They are trees and...

Myringoplasty - Surgical restoration of a perforated tympanic membrane by grafting. (Dorland, 28th ed.)...

Myristates - Salts and esters of the 14-carbon saturated monocarboxylic acid--myristic acid....

Myristic Acid - A saturated 14-carbon fatty acid occurring in most animal and vegetable fats, particularly butterfat...

Myristic Acids - 14-carbon saturated monocarboxylic acids....

Myristica fragrans - A plant species in the MYRISTICACEAE family. The seed is used as a spice and used for antimicrobial...

Myristicaceae - A family of flowering plants in the order Magnoliales. Many of the species are tropical and have fra...

Myroxylon - A plant genus of the family FABACEAE that is a source of aromatic resinous balsams (Balsam of Tolu a...

Myrsinaceae - A plant family of the order Primulales, subclass Dilleniidae, class Magnoliopsida....

Myrtaceae - The myrtle plant family of the order Myrtales. It includes several aromatic medicinal plants such a...

Myrtus - A plant genus of the family MYRTACEAE. Members contain PHYTOHEMAGGLUTININS....

Mysticism - A philosophy based upon spiritual intuition that is believed to transcend ordinary sensory experienc...

Mythology - A body of stories, the origins of which may be unknown or forgotten, that serve to explain practices...

Mytilidae - A family of marine MUSSELS in the class BIVALVIA....

Mytilus - A genus of marine mussels in the family MYTILIDAE, class BIVALVIA. The species MYTILUS EDULIS is the...

Mytilus edulis - A species of mussel in the genus MYTILUS, family MYTILIDAE, class BIVALVIA, known as the common muss...

Myxedema - A condition characterized by a dry, waxy type of swelling (EDEMA) with abnormal deposits of MUCOPOLY...

Myxobolus - The largest genus in the family Myxobolidae, class MYXOSPOREA, containing over 400 species....

Myxococcales - An order of rod-shaped, gram-negative fruiting gliding bacteria found in SOIL; WATER; and HUMUS....

Myxococcus - A genus of gliding bacteria that are common inhabitants on tree bark and decomposing vegetation. The...

Myxococcus xanthus - A species of gliding bacteria found on soil as well as in surface fresh water and coastal seawater....

Myxoma - A benign neoplasm derived from connective tissue, consisting chiefly of polyhedral and stellate cell...

Myxoma virus - The type species of LEPORIPOXVIRUS causing infectious myxomatosis, a severe generalized disease, in ...

Myxomycetes - A division of organisms that exist vegetatively as complex mobile plasmodia, reproduce by means of s...

Myxosarcoma - A sarcoma, usually a liposarcoma or malignant fibrous histiocytoma, with an abundant component of my...

Myxozoa - Single-celled, aquatic endoparasitic worms that are currently considered belonging to the phylum CNI...

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