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Health Terms starting with D

Common Health Terms | All Health Terms

2nd Letter:

- a C D e i j M N o r u w y

Dacarbazine - An antineoplastic agent. It has significant activity against melanomas. (from Martindale, The Extra ...

Dacryocystitis - Inflammation of the lacrimal sac. (Dorland, 27th ed)...

Dacryocystorhinostomy - Surgical fistulization of the lacrimal sac for external drainage of an obstructed nasolacrimal duct....

Dactinomycin - A compound composed of a two CYCLIC PEPTIDES attached to a phenoxazine that is derived from STREPTOM...

Dactylis - A plant genus of the family POACEAE that contains allergen Dac g I....

Dagestan - One of the former Associated Soviet Socialist Republics, situated on the Caspian Sea in southwest Ru...

Dahlia - A plant genus of the family ASTERACEAE that contains antifungal plant defensin....

Dairy Products - Raw and processed or manufactured milk and milk-derived products. These are usually from cows (bovin...

D-Ala(2),MePhe(4),Met(0)-ol-enkephalin - A stable synthetic analog of methionine enkephalin (ENKEPHALIN, METHIONINE). Actions are similar to ...

D-Alanine Transaminase - A PYRIDOXAL PHOSPHATE containing enzyme that catalyzes the reversible transfer of an amino group bet...

Dalbergia - A plant genus of the family FABACEAE. Members of this genus can cause CONTACT DERMATITIS....

Dalteparin - A low-molecular-weight fragment of heparin, prepared by nitrous acid depolymerization of porcine muc...

Danazol - A synthetic steroid with antigonadotropic and anti-estrogenic activities that acts as an anterior pi...

Dance Therapy - The use of dancing for therapeutic purposes....

Dancing - Rhythmic and patterned body movements which are usually performed to music....

Dandy-Walker Syndrome - A congenital abnormality of the central nervous system marked by failure of the midline structures o...

Dangerous Behavior - Actions which have a high risk of being harmful or injurious to oneself or others....

Dansyl Compounds - Compounds that contain a 1-dimethylaminonaphthalene-5-sulfonyl group....

Dantrolene - Skeletal muscle relaxant that acts by interfering with excitation-contraction coupling in the muscle...

Daphne - A plant genus of the family THYMELAEACEAE. They are evergreen shrubs much cultivated in garden borde...

Daphnia - A diverse genus of minute freshwater CRUSTACEA, of the suborder CLADOCERA. They are a major food sou...

Dapsone - A sulfone active against a wide range of bacteria but mainly employed for its actions against MYCOBA...

Daptomycin - A cyclic lipopeptide antibiotic that inhibits GRAM-POSITIVE BACTERIA....

Darier Disease - An autosomal dominantly inherited skin disorder characterized by warty malodorous papules that coale...

Dark Adaptation - Adjustment of the eyes under conditions of low light. The sensitivity of the eye to light is increas...

Darkness - The absence of light....

D-Aspartate Oxidase - An FAD-dependent peroxisomal flavoenzyme, this catalyzes the oxidative deamination of D-ASPARTATE to...

D-Aspartic Acid - The D-isomer of ASPARTIC ACID....

Data Collection - Systematic gathering of data for a particular purpose from various sources, including questionnaires...

Data Compression - Information application based on a variety of coding methods to minimize the amount of data to be st...

Data Display - The visual display of data in a man-machine system. An example is when data is called from the compu...

Data Interpretation, Statistical - Application of statistical procedures to analyze specific observed or assumed facts from a particula...

Data Mining - Use of sophisticated analysis tools to sort through, organize, examine, and combine large sets of in...

Database - Work consisting of a structured file of information or a set of logically related data stored and re...

Database Management Systems - Software designed to store, manipulate, manage, and control data for specific uses....

Databases as Topic - Organized collections of computer records, standardized in format and content, that are stored in an...

Databases, Bibliographic - Extensive collections, reputedly complete, of references and citations to books, articles, publicati...

Databases, Factual - Extensive collections, reputedly complete, of facts and data garnered from material of a specialized...

Databases, Genetic - Databases devoted to knowledge about specific genes and gene products....

Databases, Nucleic Acid - Databases containing information about NUCLEIC ACIDS such as BASE SEQUENCE; SNPS; NUCLEIC ACID CONFO...

Databases, Protein - Databases containing information about PROTEINS such as AMINO ACID SEQUENCE; PROTEIN CONFORMATION; a...

Datura - A plant genus of the family SOLANACEAE. Members contain TROPANES. The common name of trumpet flower ...

Datura stramonium - A plant species of the genus DATURA, family SOLANACEAE, that contains TROPANES and other SOLANACEOUS...

Daucus carota - A plant species of the family APIACEAE that is widely cultivated for the edible yellow-orange root. ...

Daunorubicin - A very toxic anthracycline aminoglycoside antineoplastic isolated from Streptomyces peucetius and ot...

DAX-1 Orphan Nuclear Receptor - An orphan nuclear receptor that is implicated in regulation of steroidogenic pathways. It is unlike ...

Day Care - Institutional health care of patients during the day. The patients return home at night....

DCMP Deaminase - An enzyme that catalyzes the hydrolytic deamination of deoxycytidylic acid to deoxyuridylic acid and...

DDT - A polychlorinated pesticide that is resistant to destruction by light and oxidation. Its unusual sta...

De Lange Syndrome - A syndrome characterized by growth retardation, severe MENTAL RETARDATION, short stature, a low-pitc...

De Quervain Disease - Stenosing tenosynovitis of the abductor pollicis longus and extensor pollicis brevis tendons in the ...

DEAD Box Protein 20 - A multifunctional protein that is both a DEAD-box RNA helicase and a component of the SMN protein c...

DEAD-box RNA Helicases - A large family of RNA helicases that share a common protein motif with the single letter amino acid ...

DEAE-Cellulose - Cellulose derivative used in chromatography, as ion-exchange material, and for various industrial ap...

DEAE-Dextran - Used as a support for ion-exchange chromatography....

Deaf-Blind Disorders - The absence of both hearing and vision....

Deafness - A general term for the complete loss of the ability to hear from both ears....

Dealkylation - The removing of alkyl groups from a compound. (From McGraw-Hill Dictionary of Scientific and Technic...

Deamination - The removal of an amino group (NH2) from a chemical compound....

Deamino Arginine Vasopressin - A synthetic analog of the pituitary hormone, ARGININE VASOPRESSIN. Its action is mediated by the VAS...

Deanol - An antidepressive agent that has also been used in the treatment of movement disorders. The mechanis...

Death - Irreversible cessation of all bodily functions, manifested by absence of spontaneous breathing and t...

Death Certificates - Official records of individual deaths including the cause of death certified by a physician, and any...

Death Domain Receptor Signaling Adaptor Proteins - Intracellular signaling adaptor proteins that bind to the cytoplasmic death domain region found on D...

Death, Sudden - The abrupt cessation of all vital bodily functions, manifested by the permanent loss of total cerebr...

Death, Sudden, Cardiac - Unexpected rapid natural death due to cardiovascular collapse within one hour of initial symptoms. I...

Debaromyces - A genus of ascomycetous yeast in the family Saccharomycetaceae, order SACCHAROMYCETALES. Debaryomyce...

Debridement - The removal of foreign material and devitalized or contaminated tissue from or adjacent to a traumat...

Debrisoquin - An adrenergic neuron-blocking drug similar in effects to GUANETHIDINE. It is also noteworthy in bein...

Decalcification, Pathologic - The loss of calcium salts from bones and teeth. Bacteria may be responsible for this occurrence in t...

Decamethonium Compounds - Compounds that contain the decamethylenebis(trimethyl)ammonium radical. These compounds frequently a...

Decanoates - Salts and esters of the 10-carbon monocarboxylic acid-decanoic acid....

Decanoic Acids - 10-carbon saturated monocarboxylic acids....

Decapitation - Traumatic or experimentally induced separation of the head from the body in an animal or human....

Decapoda (Crustacea) - The largest order of CRUSTACEA, comprising over 10,000 species. They are characterized by three pair...

Decapodiformes - A superorder of CEPHALOPODS comprised of squid, cuttlefish, and their relatives. Their distinguishin...

Decarboxylation - The removal of a carboxyl group, usually in the form of carbon dioxide, from a chemical compound....

Deceleration - A decrease in the rate of speed....

Deception - The act of deceiving or the fact (or condition) of being deceived....

Decerebrate State - A condition characterized by abnormal posturing of the limbs that is associated with injury to the b...

Decidua - The hormone-responsive glandular layer of ENDOMETRIUM that sloughs off at each menstrual flow (decid...

Deciduoma - An intrauterine mass containing decidual cells (DECIDUA) or with structures resembling the PLACENTA....

Decision Making - The process of making a selective intellectual judgment when presented with several complex alternat...

Decision Making, Computer-Assisted - Use of an interactive computer system designed to assist the physician or other health professional ...

Decision Making, Organizational - The process by which decisions are made in an institution or other organization....

Decision Support Systems, Clinical - Computer-based information systems used to integrate clinical and patient information and provide su...

Decision Support Systems, Management - Computer-based systems that enable management to interrogate the computer on an ad hoc basis for var...

Decision Support Techniques - Mathematical or statistical procedures used as aids in making a decision. They are frequently used i...

Decision Theory - A theoretical technique utilizing a group of related constructs to describe or prescribe how individ...

Decision Trees - A graphic device used in decision analysis, series of decision options are represented as branches (...

Decompression - Decompression external to the body, most often the slow lessening of external pressure on the whole ...

Decompression Sickness - A condition occurring as a result of exposure to a rapid fall in ambient pressure. Gases, nitrogen i...

Decompression, Explosive - A sudden loss of pressure in a pressurized cabin, cockpit, or the like, so rapid as to be explosive....

Decompression, Surgical - A surgical operation for the relief of pressure in a body compartment or on a body part. (From Dorla...

Decompressive Craniectomy - Excision of part of the skull. This procedure is used to treat elevated intracranial pressure that i...

Decontamination - The removal of contaminating material, such as radioactive materials, biological materials, or CHEMI...

Decoquinate - A coccidiostat for poultry....

Deductibles and Coinsurance - Cost-sharing mechanisms that provide for payment by the insured of some portion of covered expenses....

Deep Brain Stimulation - Therapy for MOVEMENT DISORDERS, especially PARKINSON DISEASE, that applies electricity via stereotac...

Deep Sedation - Drug-induced depression of consciousness during which patients cannot be easily aroused but respond ...

Deer - The family Cervidae of 17 genera and 45 species occurring nearly throughout North America, South Ame...

DEET - A compound used as a topical insect repellent that may cause irritation to eyes and mucous membranes...

Defecation - The normal process of elimination of fecal material from the RECTUM....

Defecography - Radiographic examination of the process of defecation after the instillation of a CONTRAST MEDIA int...

Defective Viruses - Viruses which lack a complete genome so that they cannot completely replicate or cannot form a prote...

Defense Mechanisms - Unconscious process used by an individual or a group of individuals in order to cope with impulses, ...

Defensins - Family of antimicrobial peptides that have been identified in humans, animals, and plants. They are ...

Defensive Medicine - The alterations of modes of medical practice, induced by the threat of liability, for the principal ...

Deferoxamine - Natural product isolated from Streptomyces pilosus. It forms iron complexes and is used as a chelati...

Defibrillators - Cardiac electrical stimulators that apply brief high-voltage electroshocks to the HEART. These stimu...

Defibrillators, Implantable - Implantable devices which continuously monitor the electrical activity of the heart and automaticall...

Deficiency Diseases - A condition produced by dietary or metabolic deficiency. The term includes all diseases caused by an...

DEFICIENS Protein - DEFICIENS is a homeotic gene involved in the genetic control of Antirrhinum majus flower development...

Defoliants, Chemical - Herbicides that remove leaves from trees and growing plants. They may be either organic or inorganic...

Deglutition - The act of taking solids and liquids into the GASTROINTESTINAL TRACT through the mouth and throat....

Deglutition Disorders - Difficulty in SWALLOWING which may result from neuromuscular disorder or mechanical obstruction. Dys...

Dehumanization - The process by which a person or group of persons comes to be regarded or treated as lacking in huma...

Dehydration - The condition that results from excessive loss of water from a living organism....

Dehydroascorbatase - Catalyzes the hydrolysis of the gamma lactone, dehydroascorbate, to diketogulonate....

Dehydroascorbic Acid - The reversibly oxidized form of ascorbic acid. It is the lactone of 2,3-DIKETOGULONIC ACID and has a...

Dehydrocholesterols - Cholesterol derivatives having an additional double bond in any position. 24-Dehydrocholesterol is D...

Dehydrocholic Acid - A semisynthetic bile acid made from cholic acid. It is used as a cholagogue, hydrocholeretic, diuret...

Dehydroepiandrosterone - A major C19 steroid produced by the ADRENAL CORTEX. It is also produced in small quantities in the T...

Dehydroepiandrosterone Sulfate - The circulating form of a major C19 steroid produced primarily by the ADRENAL CORTEX. DHEA sulfate s...

Deinococcus - A genus of gram-positive aerobic cocci found in the soil, that is highly resistant to radiation, esp...

Deinstitutionalization - The practice of caring for individuals in the community, rather than in an institutional environment...

Deja Vu - A subjective feeling that an experience which is occurring for the first time has been experienced b...

Dekkera - A genus of ascomycetous yeast in the family Saccharomycetaceae, order SACCHAROMYCETALES. It has been...

Delavirdine - A potent, non-nucleoside reverse transcriptase inhibitor with activity specific for HIV-1....

Delayed Diagnosis - Non-optimal interval of time between onset of symptoms, identification, and initiation of treatment....

Delayed Emergence from Anesthesia - Abnormally slow pace of regaining CONSCIOUSNESS after general anesthesia (ANESTHESIA, GENERAL) usual...

Delayed Graft Function - General dysfunction of an organ occurring immediately following its transplantation. The term most f...

Delayed Rectifier Potassium Channels - A group of slow opening and closing voltage-gated potassium channels. Because of their delayed activ...

Delayed-Action Preparations - Dosage forms of a drug that act over a period of time by controlled-release processes or technology....

Delegation, Professional - The process of assigning duties to a subordinate with lesser qualifications....

Delftia - A genus of gram-negative, strictly aerobic chemoorganotrophic bacteria, in the family COMAMONADACEAE...

Delftia acidovorans - A species of gram-negative rod-shaped bacteria found ubiquitously and formerly called Comamonas acid...

Delirium - A disorder characterized by CONFUSION; inattentiveness; disorientation; ILLUSIONS; HALLUCINATIONS; a...

Delirium, Dementia, Amnestic, Cognitive Disorders - Cognitive disorders including delirium, dementia, and other cognitive disorders. These may be the re...

Delivery of Health Care - The concept concerned with all aspects of providing and distributing health services to a patient po...

Delivery of Health Care, Integrated - A health care system which combines physicians, hospitals, and other medical services with a health ...

Delivery Rooms - Hospital units equipped for childbirth....

Delivery, Obstetric - Delivery of the FETUS and PLACENTA under the care of an obstetrician or a health worker. Obstetric d...

Delphi Technique - An iterative questionnaire designed to measure consensus among individual responses. In the classic ...

Delphinium - A plant genus of the family RANUNCULACEAE. Members contain ACONITINE and other diterpenoid alkaloids...

Delta Rhythm - One of the four types of brain waves seen on EEG characterized by a high amplitude and a frequency o...

Delta Sleep-Inducing Peptide - A nonapeptide that is found in neurons, peripheral organs, and plasma. This neuropeptide induces mai...

delta-Crystallins - A subclass of crystallins found in the lens (LENS, CRYSTALLINE) in BIRDS and REPTILES. They are inac...

delta-Globins - A member of the beta-globin family. In humans, delta-globin is encoded in the beta-globin gene clust...

Deltapapillomavirus - A genus of DNA viruses in the family PAPILLOMAVIRIDAE causing fibropapillomas in their respective un...

Deltaproteobacteria - A group of PROTEOBACTERIA represented by morphologically diverse, anaerobic sulfidogens. Some member...

Deltaretrovirus - A genus in the family RETROVIRIDAE consisting of exogenous horizontally-transmitted viruses found in...

Deltaretrovirus Antibodies - Antibodies reactive with various types of human T-cell leukemia/lymphoma antigens or bovine leukemia...

Deltaretrovirus Antigens - Antigens associated with the DELTARETROVIRUS; HTLV-I ANTIGENS and HTLV-II ANTIGENS belong to this gr...

Deltaretrovirus Infections - Infections caused by the HTLV or BLV deltaretroviruses. They include human T-cell leukemia-lymphoma ...

delta-Thalassemia - A hereditary disorder characterized by reduced or absent DELTA-GLOBIN thus effecting the level of HE...

Delusions - A false belief regarding the self or persons or objects outside the self that persists despite the f...

Demeclocycline - A TETRACYCLINE analog having a 7-chloro and a 6-methyl. Because it is excreted more slowly than TETR...

Demecolcine - An alkaloid isolated from Colchicum autumnale L. and used as an antineoplastic....

Dementia - An acquired organic mental disorder with loss of intellectual abilities of sufficient severity to in...

Dementia, Multi-Infarct - Loss of higher cortical functions with retained awareness due to multiple cortical or subcortical CE...

Dementia, Vascular - An imprecise term referring to dementia associated with CEREBROVASCULAR DISORDERS, including CEREBRA...

Democracy - A system of government in which there is free and equal participation by the people in the political...

Democratic People's Republic of Korea - A country located on the Korean Peninsula whose capital is Pyongyang. The country was established Se...

Democratic Republic of the Congo - A republic in central Africa, east of the REPUBLIC OF THE CONGO, south of the CENTRAL AFRICAN REPUBL...

Demography - Statistical interpretation and description of a population with reference to distribution, compositi...

Demyelinating Autoimmune Diseases, CNS - Conditions characterized by loss or dysfunction of myelin (see MYELIN SHEATH) in the brain, spinal c...

Demyelinating Diseases - Diseases characterized by loss or dysfunction of myelin in the central or peripheral nervous system....

Dendrimers - Tree-like, highly branched, polymeric compounds. They grow three-dimensionally by the addition of sh...

Dendrites - Extensions of the nerve cell body. They are short and branched and receive stimuli from other NEURON...

Dendritic Cell Sarcoma, Follicular - Sarcoma of FOLLICULAR DENDRITIC CELLS most often found in the lymph nodes. This rare neoplasm occurs...

Dendritic Cell Sarcoma, Interdigitating - A rare sarcoma of INTERDIGITATING CELLS found in the lymph nodes and non-lymphoid organs. They exhib...

Dendritic Cells - Specialized cells of the hematopoietic system that have branch-like extensions. They are found throu...

Dendritic Cells, Follicular - Non-hematopoietic cells, with extensive dendritic processes, found in the primary and secondary foll...

Dendritic Spines - Spiny processes on DENDRITES, each of which receives excitatory input from one nerve ending (NERVE E...

Dendrobium - A plant genus of the family ORCHIDACEAE that contains dihydroayapin (COUMARINS) and phenanthraquinon...

Denervation - The resection or removal of the nerve to an organ or part. (Dorland, 28th ed)...

Dengue - An acute infectious, eruptive, febrile disease caused by four antigenically related but distinct ser...

Dengue Hemorrhagic Fever - A distinct and virulent form of DENGUE characterized by thrombocytopenia and hemoconcentration (grad...

Dengue Vaccines - Vaccines or candidate vaccines used to prevent infection with DENGUE VIRUS. These include live-atten...

Dengue Virus - A species of the genus FLAVIVIRUS which causes an acute febrile and sometimes hemorrhagic disease in...

Denial (Psychology) - Refusal to admit the truth or reality of a situation or experience....

Dennstaedtiaceae - The bracken fern plant family of the order Polypodiales, class Filicopsida, division Pteridophyta....

Dens in Dente - Anomaly of the tooth, found chiefly in upper lateral incisors. It is characterized by invagination o...

Densitometry - The measurement of the density of a material by measuring the amount of light or radiation passing t...

Densovirinae - A subfamily of DNA arthropod viruses, in the family PARVOVIRIDAE. The host range includes members of...

Densovirus - A genus of PARVOVIRIDAE, subfamily DENSOVIRINAE, comprising helper-independent viruses containing on...

Dental Abutments - Natural teeth or teeth roots used as anchorage for a fixed or removable denture or other prosthesis ...

Dental Alloys - A mixture of metallic elements or compounds with other metallic or metalloid elements in varying pro...

Dental Amalgam - An alloy used in restorative dentistry that contains mercury, silver, tin, copper, and possibly zinc...

Dental Anxiety - Abnormal fear or dread of visiting the dentist for preventive care or therapy and unwarranted anxiet...

Dental Articulators - Mechanical devices that simulate the temporomandibular joints and jaws to which maxillary and mandib...

Dental Assistants - Individuals who assist the dentist or the dental hygienist....

Dental Atraumatic Restorative Treatment - Treatment modality for DENTAL CARIES that uses manual excavation method and GLASS IONOMER CEMENTS. B...

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

Dental Auxiliaries - Personnel whose work is prescribed and supervised by the dentist....

Dental Bonding - An adhesion procedure for orthodontic attachments, such as plastic DENTAL CROWNS. This process usual...

Dental Bonding, Chemically-Cured - The hardening or polymerization of bonding agents (DENTAL CEMENTS) via chemical reactions, usually i...

Dental Bonding, Light-Cured - The hardening or polymerization of bonding agents (DENTAL CEMENTS) via exposure to light....

Dental Calculus - Abnormal concretion or calcified deposit that forms around the teeth or dental prostheses....

Dental Care - The total of dental diagnostic, preventive, and restorative services provided to meet the needs of a...

Dental Care for Aged - The giving of attention to the special dental needs of the elderly for proper maintenance or treatme...

Dental Care for Children - The giving of attention to the special dental needs of children, including the prevention of tooth d...

Dental Care for Chronically Ill - Dental care for patients with chronic diseases. These diseases include chronic cardiovascular, endoc...

Dental Care for Disabled - Dental care for the emotionally, mentally, or physically disabled patient. It does not include denta...

Dental Caries - Localized destruction of the tooth surface initiated by decalcification of the enamel followed by en...

Dental Caries Susceptibility - The predisposition to tooth decay (DENTAL CARIES)....

Dental Casting Investment - Material from which the casting mold is made in the fabrication of gold or cobalt-chromium castings....

Dental Casting Technique - The process of producing a form or impression made of metal or plaster using a mold....

Dental Cavity Lining - An inner coating, as of varnish or other protective substance, to cover the dental cavity wall. It i...

Dental Cavity Preparation - An operation in which carious material is removed from teeth and biomechanically correct forms are e...

Dental Cements - Substances used to bond COMPOSITE RESINS to DENTAL ENAMEL and DENTIN. These bonding or luting agents...

Dental Cementum - The bonelike rigid connective tissue covering the root of a tooth from the cementoenamel junction to...

Dental Clasps - Metal devices for fastening together two or more parts of dental prostheses for stabilizing or retai...

Dental Clinics - Facilities where dental care is provided to patients....

Dental Debonding - Techniques used for removal of bonded orthodontic appliances, restorations, or fixed dentures from t...

Dental Deposits - Accumulations of microflora that lead to pathological plaque and calculus which cause PERIODONTAL DI...

Dental Devices, Home Care - Devices used in the home by persons to maintain dental and periodontal health. The devices include t...

Dental Disinfectants - Chemicals especially for use on instruments to destroy pathogenic organisms. (Boucher, Clinical Dent...

Dental Enamel - A hard thin translucent layer of calcified substance which envelops and protects the dentin of the c...

Dental Enamel Hypoplasia - An acquired or hereditary condition due to deficiency in the formation of tooth enamel (AMELOGENESIS...

Dental Enamel Permeability - The property of dental enamel to permit passage of light, heat, gases, liquids, metabolites, mineral...

Dental Enamel Proteins - The proteins that are part of the dental enamel matrix....

Dental Enamel Solubility - The susceptibility of the DENTAL ENAMEL to dissolution....

Dental Equipment - The nonexpendable items used by the dentist or dental staff in the performance of professional dutie...

Dental Etching - Preparation of TOOTH surfaces, and of materials bonded to teeth or DENTAL IMPLANTS, with agents and ...

Dental Facilities - Use for material on dental facilities in general or for which there is no specific heading....

Dental Fissures - Deep grooves or clefts in the surface of teeth equivalent to class 1 cavities in Black's classificat...

Dental Fistula - An abnormal passage in the oral cavity on the gingiva....

Dental Health Services - Services designed to promote, maintain, or restore dental health....

Dental Health Surveys - A systematic collection of factual data pertaining to dental or oral health and disease in a human p...

Dental Hygienists - Persons trained in an accredited school or dental college and licensed by the state in which they re...

Dental Implantation - The grafting or inserting of a prosthetic device of alloplastic material into the oral tissue beneat...

Dental Implantation, Endosseous - Insertion of an implant into the bone of the mandible or maxilla. The implant has an exposed head wh...

Dental Implantation, Endosseous, Endodontic - Insertion of a tapered rod through the root canal into the periapical osseous structure to lengthen ...

Dental Implantation, Subperiosteal - The grafting or inserting of an appliance designed to fit over the surface of the mandible or the ma...

Dental Implants - Biocompatible materials placed into (endosseous) or onto (subperiosteal) the jawbone to support a cr...

Dental Implants, Single-Tooth - Devices, usually alloplastic, surgically inserted into or onto the jawbone, which support a single p...

Dental Impression Materials - Substances used to create an impression, or negative reproduction, of the teeth and dental arches. T...

Dental Impression Technique - Procedure of producing an imprint or negative likeness of the teeth and/or edentulous areas. Impress...

Dental Informatics - The application of computer and information sciences to improve dental practice, research, education...

Dental Instruments - Hand-held tools or implements especially used by dental professionals for the performance of clinica...

Dental Leakage - The seepage of fluids, debris, and micro-organisms between the walls of a prepared dental cavity and...

Dental Marginal Adaptation - The degree of approximation or fit of filling material or dental prosthetic to the tooth surface. A ...

Dental Materials - Materials used in the production of dental bases, restorations, impressions, prostheses, etc....

Dental Occlusion - The relationship of all the components of the masticatory system in normal function. It has special ...

Dental Occlusion, Balanced - Dental occlusion in which the occlusal contact of the teeth on the working side of the jaw is accomp...

Dental Occlusion, Traumatic - An occlusion resulting in overstrain and injury to teeth, periodontal tissue, or other oral structur...

Dental Offices - The room or rooms in which the dentist and dental staff provide care. Offices include all rooms in t...

Dental Papilla - Mesodermal tissue enclosed in the invaginated portion of the epithelial enamel organ and giving rise...

Dental Pellicle - A thin protein film on the surface of DENTAL ENAMEL. It is widely believed to result from the select...

Dental Physiological Phenomena - Physiological processes and properties of the DENTITION....

Dental Physiological Processes - Functions and activities of DENTITION as a whole....

Dental Pins - Small cylindrical pieces of metal used to enhance retention....

Dental Plaque - A film that attaches to teeth, often causing DENTAL CARIES and GINGIVITIS. It is composed of MUCINS,...

Dental Plaque Index - An index which scores the degree of dental plaque accumulation....

Dental Polishing - Creation of a smooth and glossy surface finish on a denture or amalgam....

Dental Porcelain - A type of porcelain used in dental restorations, either jacket crowns or inlays, artificial teeth, o...

Dental Prophylaxis - Treatment for the prevention of periodontal diseases or other dental diseases by the cleaning of the...

Dental Prosthesis - An artificial replacement for one or more natural teeth or part of a tooth, or associated structures...

Dental Prosthesis Design - The plan and delineation of dental prostheses in general or a specific dental prosthesis. It does no...

Dental Prosthesis Repair - The process of reuniting or replacing a broken or worn dental prosthesis or its part....

Dental Prosthesis Retention - The retention of a dental prosthesis in place by design, device, or adhesion....

Dental Prosthesis, Implant-Supported - A prosthesis that gains its support, stability, and retention from a substructure that is implanted ...

Dental Pulp - A richly vascularized and innervated connective tissue of mesodermal origin, contained in the centra...

Dental Pulp Capping - Application of a protective agent to an exposed pulp (direct capping) or the remaining thin layer of...

Dental Pulp Cavity - The space in a tooth bounded by the dentin and containing the dental pulp. The portion of the cavity...

Dental Pulp Devitalization - The destruction of the vitality of the pulp of the tooth. (From Jablonski, Dictionary of Dentistry, ...

Dental Pulp Diseases - Endodontic diseases of the DENTAL PULP inside the tooth, which is distinguished from PERIAPICAL DISE...

Dental Pulp Exposure - The result of pathological changes in the hard tissue of a tooth caused by carious lesions, mechanic...

Dental Pulp Necrosis - Death of pulp tissue with or without bacterial invasion. When the necrosis is due to ischemia with s...

Dental Records - Data collected during dental examination for the purpose of study, diagnosis, or treatment planning....

Dental Research - The study of laws, theories, and hypotheses through a systematic examination of pertinent facts and ...

Dental Restoration Failure - Inability or inadequacy of a dental restoration or prosthesis to perform as expected....

Dental Restoration Wear - Occlusal wear of the surfaces of restorations and surface wear of dentures....

Dental Restoration, Permanent - A restoration designed to remain in service for not less than 20 to 30 years, usually made of gold c...

Dental Restoration, Temporary - A prosthesis or restoration placed for a limited period, from several days to several months, which ...

Dental Sac - Dense fibrous layer formed from mesodermal tissue that surrounds the epithelial enamel organ. The ce...

Dental Scaling - Removal of dental plaque and dental calculus from the surface of a tooth, from the surface of a toot...

Dental Service, Hospital - Hospital department providing dental care....

Dental Soldering - The joining of pieces of metal through the use of an alloy which has a lower melting point, usually ...

Dental Staff - Personnel who provide dental service to patients in an organized facility, institution or agency....

Dental Staff, Hospital - Dental personnel practicing in hospitals....

Dental Stress Analysis - The description and measurement of the various factors that produce physical stress upon dental rest...

Dental Technicians - Individuals responsible for fabrication of dental appliances....

Dental Veneers - The use of a layer of tooth-colored material, usually porcelain or acrylic resin, applied to the sur...

Dental Waste - Any waste product generated by a dental office, surgery, clinic, or laboratory including amalgams, s...

Dentate Gyrus - Gray matter situated above the gyrus hippocampi. It is composed of three layers. The molecular layer...

Dentifrices - Any preparations used for cleansing teeth; they usually contain an abrasive, detergent, binder and f...

Dentigerous Cyst - Most common follicular odontogenic cyst. Occurs in relation to a partially erupted or unerupted toot...

Dentin - The hard portion of the tooth surrounding the pulp, covered by enamel on the crown and cementum on t...

Dentin Desensitizing Agents - Substances which reduce or eliminate dentinal sensitivity or the pain associated with a source of st...

Dentin Dysplasia - An apparently hereditary disorder of dentin formation, marked by a normal appearance of coronal dent...

Dentin Permeability - The property of dentin that permits passage of light, heat, cold, and chemical substances. It does n...

Dentin Solubility - The susceptibility of the DENTIN to dissolution....

Dentin, Secondary - Dentin formed by normal pulp after completion of root end formation....

Dentinal Fluid - The lymph or fluid of dentin. It is a transudate of extracellular fluid, mainly cytoplasm of odontob...

Dentin-Bonding Agents - Cements that act through infiltration and polymerization within the dentinal matrix and are used for...

Dentinogenesis - The formation of dentin. Dentin first appears in the layer between the ameloblasts and odontoblasts ...

Dentinogenesis Imperfecta - An autosomal dominant disorder of tooth development characterized by opalescent dentin resulting in ...

Dentist-Patient Relations - The psychological relations between the dentist and patient....

Dentistry - The profession concerned with the teeth, oral cavity, and associated structures, and the diagnosis a...

Dentistry, Operative - That phase of clinical dentistry concerned with the restoration of parts of existing teeth that are ...

Dentists - Individuals licensed to practice dentistry....

Dentist's Practice Patterns - Patterns of practice in dentistry related to diagnosis and treatment....

Dentists, Women - Female dentists....

Dentition - The teeth collectively in the dental arch. Dentition ordinarily refers to the natural teeth in posit...

Dentition, Mixed - The complement of teeth in the jaws after the eruption of some of the permanent teeth but before all...

Dentition, Permanent - The 32 teeth of adulthood that either replace or are added to the complement of deciduous teeth. (Bo...

Dentition, Primary - The teeth first in order or time of development that will be replaced by permanent dentition upon th...

Denture Bases - The part of a denture that overlies the soft tissue and supports the supplied teeth and is supported...

Denture Cleansers - Substances used to clean dentures; they are usually alkaline peroxides or hypochlorites, may contain...

Denture Design - The plan, delineation, and location of actual structural elements of dentures. The design can relate...

Denture Identification Marking - Any system of defining ownership of dentures or dental prostheses....

Denture Liners - Material applied to the tissue side of a denture to provide a soft lining to the parts of a denture ...

Denture Precision Attachment - A precision device used for attaching a fixed or removable partial denture to the crown of an abutme...

Denture Rebasing - The process of refitting a denture by replacing the denture base material without changing the occlu...

Denture Repair - The process of reuniting or replacing broken or worn parts of a denture....

Denture Retention - The retention of a denture in place by design, device, or adhesion....

Denture, Complete - A denture replacing all natural teeth and associated structures in both the maxilla and mandible....

Denture, Complete, Immediate - A complete denture constructed for replacement of natural teeth immediately after their removal. It ...

Denture, Complete, Lower - A complete denture replacing all the natural mandibular teeth and associated structures. It is compl...

Denture, Complete, Upper - A complete denture replacing all the natural maxillary teeth and associated maxillary structures. It...

Denture, Overlay - Removable prosthesis constructed over natural teeth or implanted studs....

Denture, Partial - A denture replacing one or more (but not all) natural teeth. It is supported and retained by underly...

Denture, Partial, Fixed - A partial denture attached to prepared natural teeth, roots, or implants by cementation....

Denture, Partial, Fixed, Resin-Bonded - A commonly used prosthesis that results in a strong, permanent restoration. It consists of an electr...

Denture, Partial, Immediate - A partial denture constructed before the teeth it replaces are removed. It is then inserted immediat...

Denture, Partial, Removable - A partial denture designed and constructed to be removed readily from the mouth....

Denture, Partial, Temporary - A partial denture intended for short-term use in a temporary or emergency situation....

Dentures - An appliance used as an artificial or prosthetic replacement for missing teeth and adjacent tissues....

Denturists - Individuals who fabricate and fit DENTURES without the supervision of DENTISTS. (from Stedman's Medi...

Denys-Drash Syndrome - A rare syndrome characterized by UROGENITAL ABNORMALITIES; GONADAL DYSGENESIS; PSEUDOHERMAPHRODITISM...

Deodorants - Agents that remove, correct, repress, or mask undesirable ODORS. In personal hygiene, deodorants oft...

Deoxyadenine Nucleotides - Adenine nucleotides which contain deoxyribose as the sugar moiety....

Deoxyadenosines - Adenosine molecules which can be substituted in any position, but are lacking one hydroxyl group in ...

Deoxycholic Acid - A bile acid formed by bacterial action from cholate. It is usually conjugated with glycine or taurin...

Deoxycytidine Kinase - An enzyme that catalyzes reversibly the phosphorylation of deoxycytidine with the formation of a nuc...

Deoxycytidine Monophosphate - Deoxycytidine (dihydrogen phosphate). A deoxycytosine nucleotide containing one phosphate group este...

Deoxycytosine Nucleotides - Cytosine nucleotides which contain deoxyribose as the sugar moiety....

Deoxyepinephrine - Sympathomimetic, vasoconstrictor agent....

Deoxyglucose - 2-Deoxy-D-arabino-hexose. An antimetabolite of glucose with antiviral activity....

Deoxyguanine Nucleotides - Guanine nucleotides which contain deoxyribose as the sugar moiety....

Deoxyguanosine - A nucleoside consisting of the base guanine and the sugar deoxyribose....

Deoxyribodipyrimidine Photo-Lyase - An enzyme that catalyzes the reactivation by light of UV-irradiated DNA. It breaks two carbon-carbon...

Deoxyribonuclease (Pyrimidine Dimer) - An enzyme which catalyzes an endonucleolytic cleavage near PYRIMIDINE DIMERS to produce a 5'-phospha...

Deoxyribonuclease BamHI - One of the Type II site-specific deoxyribonucleases (EC 3.1.21.4). It recognizes and cleaves the seq...

Deoxyribonuclease EcoRI - One of the Type II site-specific deoxyribonucleases (EC 3.1.21.4). It recognizes and cleaves the seq...

Deoxyribonuclease HindIII - One of the Type II site-specific deoxyribonucleases (EC 3.1.21.4). It recognizes and cleaves the seq...

Deoxyribonuclease HpaII - One of the Type II site-specific deoxyribonucleases (EC 3.1.21.4). It recognizes and cleaves the seq...

Deoxyribonuclease I - An enzyme capable of hydrolyzing highly polymerized DNA by splitting phosphodiester linkages, prefer...

Deoxyribonuclease IV (Phage T4-Induced) - An enzyme which catalyzes the endonucleolytic cleavage of phosphodiester bonds at purinic or apyrim...

Deoxyribonucleases - Enzymes which catalyze the hydrolases of ester bonds within DNA. EC 3.1.-....

Deoxyribonucleases, Type I Site-Specific - Enzyme systems containing three different subunits and requiring ATP, S-adenosylmethionine, and magn...

Deoxyribonucleases, Type II Site-Specific - Enzyme systems containing a single subunit and requiring only magnesium for endonucleolytic activity...

Deoxyribonucleases, Type III Site-Specific - Enzyme systems composed of two subunits and requiring ATP and magnesium for endonucleolytic activity...

Deoxyribonucleoproteins - Proteins conjugated with deoxyribonucleic acids (DNA) or specific DNA....

Deoxyribonucleosides - A purine or pyrimidine base bonded to DEOXYRIBOSE....

Deoxyribonucleotides - A purine or pyrimidine base bonded to a DEOXYRIBOSE containing a bond to a phosphate group....

Deoxyuracil Nucleotides - Uracil nucleotides which contain deoxyribose as the sugar moiety....

Deoxyuridine - 2'-Deoxyuridine. An antimetabolite that is converted to deoxyuridine triphosphate during DNA synthes...

Dependency (Psychology) - The tendency of an individual or individuals to rely on others for advice, guidance, or support....

Dependent Ambulation - To move about or walk on foot with the use of aids....

Dependent Personality Disorder - A personality disorder characterized by a pervasive and excessive need to be taken care of that lead...

Dependovirus - A genus of the family PARVOVIRIDAE, subfamily PARVOVIRINAE, which are dependent on a coinfection wit...

Depersonalization - State in which an individual perceives or experiences a sensation of unreality concerning the self o...

Depreciation - Decline in value of capital assets of a permanent or fixed nature over time with use....

Depression - Depressive states usually of moderate intensity in contrast with major depression present in neuroti...

Depression, Chemical - The decrease in a measurable parameter of a PHYSIOLOGICAL PROCESS, including cellular, microbial, an...

Depression, Postpartum - Depression in POSTPARTUM WOMEN, usually within four weeks after giving birth (PARTURITION). The degr...

Depressive Disorder - An affective disorder manifested by either a dysphoric mood or loss of interest or pleasure in usual...

Depressive Disorder, Major - Marked depression appearing in the involution period and characterized by hallucinations, delusions,...

Depsides - Phenolic benzoic acid esters....

Depsipeptides - Compounds consisting of chains of AMINO ACIDS alternating with CARBOXYLIC ACIDS via ester and amide ...

Depth Perception - Perception of three-dimensionality....

Dequalinium - A topical bacteriostat that is available as various salts. It is used in wound dressings and mouth i...

Dermabrasion - The mechanical planing of the SKIN with sand paper, emery paper, or wire brushes, to promote reepith...

Dermacentor - A widely distributed genus of TICKS, in the family IXODIDAE, including a number that infest humans a...

Dermatan Sulfate - A naturally occurring glycosaminoglycan found mostly in the skin and in connective tissue. It differ...

Dermatitis - Any inflammation of the skin....

Dermatitis Herpetiformis - Rare, chronic, papulo-vesicular disease characterized by an intensely pruritic eruption consisting o...

Dermatitis, Allergic Contact - A contact dermatitis due to allergic sensitization to various substances. These substances subsequen...

Dermatitis, Atopic - A chronic inflammatory genetically determined disease of the skin marked by increased ability to for...

Dermatitis, Contact - A type of acute or chronic skin reaction in which sensitivity is manifested by reactivity to materia...

Dermatitis, Exfoliative - The widespread involvement of the skin by a scaly, erythematous dermatitis occurring either as a sec...

Dermatitis, Irritant - A non-allergic contact dermatitis caused by prolonged exposure to irritants and not explained by del...

Dermatitis, Occupational - A recurrent contact dermatitis caused by substances found in the work place....

Dermatitis, Perioral - A papular eruption of unknown etiology that progresses to residual papular erythema and scaling usua...

Dermatitis, Photoallergic - A delayed hypersensitivity involving the reaction between sunlight or other radiant energy source an...

Dermatitis, Phototoxic - A nonimmunologic, chemically induced type of photosensitivity producing a sometimes vesiculating der...

Dermatitis, Seborrheic - A chronic inflammatory disease of the skin with unknown etiology. It is characterized by moderate ER...

Dermatitis, Toxicodendron - An allergic contact dermatitis caused by exposure to plants of the genus Toxicodendron (formerly Rhu...

Dermatofibrosarcoma - A fibrosarcoma of the skin, beginning most often as an indurated nodule that grows slowly and hence ...

Dermatoglyphics - The study of the patterns of ridges of the skin of the fingers, palms, toes, and soles....

Dermatologic Agents - Drugs used to treat or prevent skin disorders or for the routine care of skin....

Dermatology - A medical specialty concerned with the skin, its structure, functions, diseases, and treatment....

Dermatomycoses - Superficial infections of the skin or its appendages by any of various fungi....

Dermatomyositis - A subacute or chronic inflammatory disease of muscle and skin, marked by proximal muscle weakness an...

Dermatophagoides farinae - Species of American house dust mite, in the family PYROGLYPHIDAE....

Dermatophagoides pteronyssinus - Species of European house dust mite, in the family PYROGLYPHIDAE. It is the most commonly found hous...

Dermcidins - 47-amino acid peptides secreted by ECCRINE GLANDS and having a role in innate cutaneous defense, bei...

Dermis - A layer of vascularized connective tissue underneath the EPIDERMIS. The surface of the dermis contai...

Dermoid Cyst - A tumor consisting of displaced ectodermal structures along the lines of embryonic fusion, the wall ...

Dermoscopy - A noninvasive diagnostic technique that enables an experienced clinician to perform direct microscop...

Dermotoxins - Specific substances elaborated by plants, microorganisms or animals that cause damage to the skin; t...

Derris - A plant genus of the family FABACEAE. The root is a source of rotenoids (ROTENONE) and flavonoids. S...

Descemet Membrane - A layer of the cornea. It is the basal lamina of the CORNEAL ENDOTHELIUM (from which it is secreted)...

Descemet Stripping Endothelial Keratoplasty - A surgical procedure or KERATOPLASTY involving selective stripping and replacement of diseased host ...

Desensitization, Immunologic - Immunosuppression by the administration of increasing doses of antigen. Though the exact mechanism i...

Desensitization, Psychologic - A behavior therapy technique in which deep muscle relaxation is used to inhibit the effects of grade...

Desert Climate - A type of climate characterized by insufficient moisture to support appreciable plant life. It is a ...

Desiccation - Removal of moisture from a substance (chemical, food, tissue, etc.)....

Designer Drugs - Drugs designed and synthesized, often for illegal street use, by modification of existing drug struc...

Desipramine - A tricyclic dibenzazepine compound that potentiates neurotransmission. Desipramine selectively block...

Deslanoside - Deacetyllanatoside C. A cardiotonic glycoside from the leaves of Digitalis lanata....

Desmin - An intermediate filament protein found predominantly in smooth, skeletal, and cardiac muscle cells. ...

Desmocollins - A group of desmosomal cadherins with cytoplasmic tails that are divergent from those of classical CA...

Desmoglein 1 - A desmosomal cadherin that is an autoantigen in the acquired skin disorder PEMPHIGUS FOLIACEUS....

Desmoglein 2 - A CALCIUM-dependent adhesion molecule of DESMOSOMES that also plays a role in embryonic STEM CELL pr...

Desmoglein 3 - A desmosomal cadherin that is an autoantigen in the acquired skin disorder PEMPHIGUS VULGARIS....

Desmogleins - A group of desmosomal cadherins with cytoplasmic tails that resemble those of classical CADHERINS....

Desmoplakins - Desmoplakins are cytoskeletal linker proteins that anchor INTERMEDIATE FILAMENTS to the PLASMA MEMBR...

Desmosine - A rare amino acid found in elastin, formed by condensation of four molecules of lysine into a pyridi...

Desmosomal Cadherins - A single-pass transmembrane glycoproteins that mediate CALCIUM-dependent CELL ADHESION and are core ...

Desmosomes - A type of junction that attaches one cell to its neighbor. One of a number of differentiated regions...

Desmosterol - An intermediate in the synthesis of cholesterol....

Desogestrel - A synthetic progestational hormone used often as the progestogenic component of combined oral contra...

Desonide - A nonfluorinated corticosteroid anti-inflammatory agent used topically for DERMATOSES....

Desoximetasone - A topical anti-inflammatory glucocorticoid used in DERMATOSES, skin allergies, PSORIASIS, etc....

Desoxycorticosterone - 21-Hydroxypregn-4-ene-3,20-dione. Desoxycorticosterone acetate (DOCA) is used as replacement therapy...

Destrin - A member of the actin depolymerizing factors. Its depolymerizing activity is independent of HYDROGEN...

Desulfitobacterium - A genus of anaerobic, gram-positive bacteria in the family Peptococcaceae, that reductively dechlori...

Desulfotomaculum - A genus of anaerobic bacteria in the family PEPTOCOCCACEAE, widely distributed in SOIL and the RUMEN...

Desulfovibrio - A genus of gram-negative, anaerobic, rod-shaped bacteria capable of reducing sulfur compounds to hyd...

Desulfovibrio africanus - A species of gram-negative, anaerobic, sigmoid-shaped bacteria isolated from salt and freshwater in ...

Desulfovibrio desulfuricans - The type species of gram-negative, anaerobic bacteria of the genus DESULFOVIBRIO. It is found in FRE...

Desulfovibrio gigas - A species of gram-negative, anaerobic, spiral-shaped bacteria originally isolated from a saltwater p...

Desulfovibrio vulgaris - A species of gram-negative, anaerobic, rod-shaped bacteria isolated from soil, animal intestines and...

Desulfovibrionaceae Infections - Infections with bacteria of the family Desulfovibrionaceae....

Desulfurococcaceae - A family of archaea, in the order DESULFUROCOCCALES, consisting of anaerobic cocci which utilize pep...

Desulfurococcales - An order of CRENARCHAEOTA comprised of irregular coccoid to disc-shaped, hyperthermophiles, and foun...

Desulfuromonas - A genus of gram-negative, anaerobic, nonsporeforming bacteria in the family Desulfuromonadaceae. It ...

Detergents - Purifying or cleansing agents, usually salts of long-chain aliphatic bases or acids, that exert clea...

Deuterium - Deuterium. The stable isotope of hydrogen. It has one neutron and one proton in the nucleus....

Deuterium Exchange Measurement - A research technique to measure solvent exposed regions of molecules that is used to provide insight...

Deuterium Oxide - The isotopic compound of hydrogen of mass 2 (deuterium) with oxygen. (From Grant & Hackh's Chemical ...

Deuteroporphyrins - Porphyrins with four methyl and two propionic acid side chains attached to the pyrrole rings....

Devazepide - A derivative of benzodiazepine that acts on the cholecystokinin A (CCKA) receptor to antagonize CCK-...

Developed Countries - Countries that have reached a level of economic achievement through an increase of production, per c...

Developing Countries - Countries in the process of change directed toward economic growth, that is, an increase in producti...

Developmental Biology - The field of biology which deals with the process of the growth and differentiation of an organism....

Developmental Disabilities - Disorders in which there is a delay in development based on that expected for a given age level or s...

Device Approval - Process that is gone through in order for a device to receive approval by a government regulatory ag...

Device Removal - Removal of an implanted therapeutic or prosthetic device....

Dexamethasone - An anti-inflammatory 9-fluoro-glucocorticoid....

Dexamethasone Isonicotinate - An anti-inflammatory, anti-allergic glucocorticoid that can be administered orally, by inhalation, l...

Dexetimide - A muscarinic antagonist that has been used to treat neuroleptic-induced parkinsonism. Benzetimide is...

Dexfenfluramine - The S-isomer of FENFLURAMINE. It is a serotonin agonist and is used as an anorectic. Unlike fenflura...

Dexmedetomidine - A selective inhibitor of RECEPTORS, ADRENERGIC ALPHA-2 that has analgesic and sedative properties. M...

Dextran Sulfate - Long-chain polymer of glucose containing 17-20% sulfur. It has been used as an anticoagulant and als...

Dextrans - A group of glucose polymers made by certain bacteria. Dextrans are used therapeutically as plasma vo...

Dextroamphetamine - The d-form of AMPHETAMINE. It is a central nervous system stimulant and a sympathomimetic. It has al...

Dextrocardia - A congenital defect in which the heart is located on the right side of the THORAX instead of on the ...

Dextromethorphan - Methyl analog of DEXTRORPHAN that shows high affinity binding to several regions of the brain, inclu...

Dextromoramide - An opioid analgesic structurally related to METHADONE and used in the treatment of severe pain. (Fro...

Dextropropoxyphene - A narcotic analgesic structurally related to METHADONE. Only the dextro-isomer has an analgesic effe...

Dextrorphan - Dextro form of levorphanol. It acts as a noncompetitive NMDA receptor antagonist, among other effect...

Dextrothyroxine - The dextrorotary isomer of the synthetic THYROXINE....

Diabetes Complications - Conditions or pathological processes associated with the disease of diabetes mellitus. Due to the im...

Diabetes Insipidus - A disease that is characterized by frequent urination, excretion of large amounts of dilute URINE, a...

Diabetes Insipidus, Nephrogenic - A genetic or acquired polyuric disorder characterized by persistent hypotonic urine and HYPOKALEMIA....

Diabetes Insipidus, Neurogenic - A genetic or acquired polyuric disorder caused by a deficiency of VASOPRESSINS secreted by the NEURO...

Diabetes Mellitus - A heterogeneous group of disorders characterized by HYPERGLYCEMIA and GLUCOSE INTOLERANCE....

Diabetes Mellitus, Experimental - Diabetes mellitus induced experimentally by administration of various diabetogenic agents or by PANC...

Diabetes Mellitus, Lipoatrophic - A type of diabetes mellitus that is characterized by severe INSULIN RESISTANCE and LIPODYSTROPHY. Th...

Diabetes Mellitus, Type 1 - A subtype of DIABETES MELLITUS that is characterized by INSULIN deficiency. It is manifested by the ...

Diabetes Mellitus, Type 2 - A subclass of DIABETES MELLITUS that is not INSULIN-responsive or dependent (NIDDM). It is character...

Diabetes, Gestational - Diabetes mellitus induced by PREGNANCY but resolved at the end of pregnancy. It does not include pre...

Diabetic Angiopathies - VASCULAR DISEASES that are associated with DIABETES MELLITUS....

Diabetic Coma - A state of unconsciousness as a complication of diabetes mellitus. It occurs in cases of extreme HYP...

Diabetic Diet - A diet prescribed in the treatment of diabetes mellitus, usually limited in the amount of sugar or r...

Diabetic Foot - Common foot problems in persons with DIABETES MELLITUS, caused by any combination of factors such as...

Diabetic Ketoacidosis - A life-threatening complication of diabetes mellitus, primarily of TYPE 1 DIABETES MELLITUS with sev...

Diabetic Nephropathies - KIDNEY injuries associated with diabetes mellitus and affecting KIDNEY GLOMERULUS; ARTERIOLES; KIDNE...

Diabetic Neuropathies - Peripheral, autonomic, and cranial nerve disorders that are associated with DIABETES MELLITUS. These...

Diabetic Retinopathy - Disease of the RETINA as a complication of DIABETES MELLITUS. It is characterized by the progressive...

Diacetyl - Carrier of aroma of butter, vinegar, coffee, and other foods....

Diacylglycerol Cholinephosphotransferase - An enzyme that catalyzes the synthesis of phosphatidylcholines from CDPcholine and 1,2-diacylglycero...

Diacylglycerol Kinase - An enzyme of the transferase class that uses ATP to catalyze the phosphorylation of diacylglycerol t...

Diacylglycerol O-Acyltransferase - An enzyme that catalyses the last step of the TRIACYLGLYCEROL synthesis reaction in which diacylglyc...

Diagnosis - The determination of the nature of a disease or condition, or the distinguishing of one disease or c...

Diagnosis, Computer-Assisted - Application of computer programs designed to assist the physician in solving a diagnostic problem....

Diagnosis, Differential - Determination of which one of two or more diseases or conditions a patient is suffering from by syst...

Diagnosis, Dual (Psychiatry) - The co-existence of a substance abuse disorder with a psychiatric disorder. The diagnostic principle...

Diagnosis, Oral - Examination of the mouth and teeth toward the identification and diagnosis of intraoral disease or m...

Diagnosis-Related Groups - A system for classifying patient care by relating common characteristics such as diagnosis, treatmen...

Diagnostic and Statistical Manual of Mental Disorders - Categorical classification of MENTAL DISORDERS based on criteria sets with defining features. It is ...

Diagnostic Equipment - Nonexpendable items used in examination....

Diagnostic Errors - Incorrect diagnoses after clinical examination or technical diagnostic procedures....

Diagnostic Imaging - Any visual display of structural or functional patterns of organs or tissues for diagnostic evaluati...

Diagnostic Services - Organized services for the purpose of providing diagnosis to promote and maintain health....

Diagnostic Techniques and Procedures - Methods, procedures, and tests performed to diagnose disease, disordered function, or disability....

Diagnostic Techniques, Cardiovascular - Methods and procedures for the diagnosis of diseases or dysfunction of the cardiovascular system or ...

Diagnostic Techniques, Digestive System - Methods and procedures for the diagnosis of diseases or dysfunction of the digestive system or its o...

Diagnostic Techniques, Endocrine - Methods and procedures for the diagnosis of diseases or dysfunction of the endocrine glands or demon...

Diagnostic Techniques, Neurological - Methods and procedures for the diagnosis of diseases of the nervous system, central and peripheral, ...

Diagnostic Techniques, Obstetrical and Gynecological - Methods and procedures for the diagnosis of conditions related to pregnancy, labor, and the puerperi...

Diagnostic Techniques, Ophthalmological - Methods and procedures for the diagnosis of diseases of the eye or of vision disorders....

Diagnostic Techniques, Otological - Methods and procedures for the diagnosis of diseases of the ear or of hearing disorders or demonstra...

Diagnostic Techniques, Radioisotope - Any diagnostic evaluation using radioactive (unstable) isotopes. This diagnosis includes many nuclea...

Diagnostic Techniques, Respiratory System - Methods and procedures for the diagnosis of diseases of the respiratory tract or its organs. It incl...

Diagnostic Techniques, Surgical - Methods and procedures for the diagnosis of disease or dysfunction by examination of the pathologica...

Diagnostic Techniques, Urological - Methods and procedures for the diagnosis of diseases or dysfunction of the urinary tract or its orga...

Diagnostic Test Approval - The process of gaining approval by a government regulatory agency for DIAGNOSTIC REAGENTS AND TEST K...

Diagnostic Tests, Routine - Diagnostic procedures, such as laboratory tests and x-rays, routinely performed on all individuals o...

Diagonal Band of Broca - Cholinergic bundle of nerve fibers posterior to the anterior perforated substance. It interconnects ...

Dialysis - A process of selective diffusion through a membrane. It is usually used to separate low-molecular-we...

Dialysis Solutions - Solutions prepared for exchange across a semipermeable membrane of solutes below a molecular size de...

Diamfenetide - Anthelmintic. It has been shown to be useful in fasciola infections in sheep....

Diamide - A sulfhydryl reagent which oxidizes sulfhydryl groups to the disulfide form. It is a radiation-sensi...

Diamines - Organic chemicals which have two amino groups in an aliphatic chain....

Diamond - Diamond. A crystalline form of carbon that occurs as hard, colorless or tinted isomeric crystals. It...

Dianhydrogalactitol - One of the cytotoxic dihalohexitols that may have alkylating antineoplastic activity. It causes bone...

Dianisidine - Highly toxic compound which can cause skin irritation and sensitization. It is used in manufacture o...

Dianthus - A plant genus of the family CARYOPHYLLACEAE. Members contain dianthins, which are ribosome inactivat...

Diaper Rash - A type of irritant dermatitis localized to the area in contact with a diaper and occurring most ofte...

Diapers, Adult - Absorbent pads designed to be worn as underpants or pants liners by adults....

Diapers, Infant - Absorbent pads designed to be worn by infants and very young children....

Diaphragm - The musculofibrous partition that separates the THORACIC CAVITY from the ABDOMINAL CAVITY. Contracti...

Diaphragmatic Eventration - A congenital abnormality characterized by the elevation of the DIAPHRAGM dome. It is the result of a...

Diaphyses - The shaft of long bones....

Diaries - Works consisting of records, usually private, of writers' experiences, observations, feelings, atti...

Diarrhea - An increased liquidity or decreased consistency of FECES, such as running stool. Fecal consistency ...

Diarrhea Virus 1, Bovine Viral - A species of PESTIVIRUS causing systemic infections (BOVINE VIRUS DIARRHEA-MUCOSAL DISEASE) in cattl...

Diarrhea Virus 2, Bovine Viral - A species of PESTIVIRUS causing systemic infections including BOVINE VIRUS DIARRHEA-MUCOSAL DISEASE ...

Diarrhea Viruses, Bovine Viral - A group of viruses in the genus PESTIVIRUS, causing diarrhea, fever, oral ulcerations, hemorrhagic s...

Diarrhea, Infantile - DIARRHEA occurring in infants from newborn to 24-months old....

Diarylheptanoids - A group of compounds consisting of two aromatic rings separated by seven carbons (HEPTANES) and havi...

Diastema - An abnormal opening or fissure between two adjacent teeth....

Diastole - Post-systolic relaxation of the HEART, especially the HEART VENTRICLES....

Diathermy - The induction of local hyperthermia by either short radio waves or high-frequency sound waves....

Diatomaceous Earth - A form of SILICON DIOXIDE composed of skeletons of prehistoric aquatic plants which is used for its ...

Diatoms - The common name for the phylum of microscopic unicellular ALGAE. Most are aquatic, being found in fr...

Diatrizoate - A commonly used x-ray contrast medium. As DIATRIZOATE MEGLUMINE and as Diatrizoate sodium, it is us...

Diatrizoate Meglumine - A versatile x-ray contrast medium for diagnostic radiology. It can be administered by most routes....

Diazepam - A benzodiazepine with anticonvulsant, anxiolytic, sedative, muscle relaxant, and amnesic properties ...

Diazepam Binding Inhibitor - An 86-amino acid polypeptide, found in central and peripheral tissues, that displaces diazepam from ...

Diazinon - A cholinesterase inhibitor that is used as an organothiophosphorus insecticide....

Diazooxonorleucine - An amino acid that inhibits phosphate-activated glutaminase and interferes with glutamine metabolism...

Diazoxide - A benzothiadiazine derivative that is a peripheral vasodilator used for hypertensive emergencies. It...

Dibekacin - Analog of KANAMYCIN with antitubercular as well as broad-spectrum antimicrobial properties....

Dibenz(b,f)(1,4)oxazepine-10(11H)-carboxylic acid, 8-chloro-, 2-acetylhydrazide - Inhibits the activity of prostaglandins....

Dibenzazepines - Compounds with two BENZENE rings fused to AZEPINES....

Dibenzocycloheptenes - A family of tricyclic hydrocarbons whose members include many of the commonly used tricyclic antidep...

Dibenzylchlorethamine - An alpha adrenergic antagonist....

Dibromothymoquinone - At low concentrations, this compound inhibits reduction of conventional hydrophilic electron accepto...

Dibucaine - A local anesthetic of the amide type now generally used for surface anesthesia. It is one of the mos...

Dibutyl Phthalate - A plasticizer used in most plastics and found in water, air, soil, plants and animals. It may have s...

Dibutyryl Cyclic GMP - N-(1-Oxobutyl)-cyclic 3',5'-(hydrogen phosphate)-2'-butanoate guanosine. A derivative of cyclic GMP....

Dicamba - A chlorinated organic herbicide....

Dicarbethoxydihydrocollidine - 1,4-Dihydro-2,4,6-trimethyl-3,5-pyridinedicarboxylic acid diethyl ester....

Dicarboxylic Acid Transporters - A family of organic anion transporters that specifically transport DICARBOXYLIC ACIDS such as alpha-...

Dichelobacter nodosus - A gram-negative, obligate anaerobe of the family Cardiobacteriaceae. It has polar fimbriae and is th...

Dichloroacetate - An acetic acid derivative that is a metabolite of TRICHLOROETHYLENE and is formed during chlorine di...

Dichlorodiphenyl Dichloroethylene - An organochlorine pesticide, it is the ethylene metabolite of DDT....

Dichlorodiphenyldichloroethane - An organochlorine insecticide that is slightly irritating to the skin. (From Merck Index, 11th ed, p...

Dichloroethylenes - Toxic chlorinated unsaturated hydrocarbons. Include both the 1,1- and 1,2-dichloro isomers. Both iso...

Dichlorophen - Nontoxic laxative vermicide effective for taenia infestation. It tends to produce colic and nausea. ...

Dichlororibofuranosylbenzimidazole - An RNA polymerase II transcriptional inhibitor. This compound terminates transcription prematurely b...

Dichlorphenamide - A carbonic anhydrase inhibitor that is used in the treatment of glaucoma....

Dichlorvos - An organophosphorus insecticide that inhibits acetylcholinesterase....

Dichotic Listening Tests - Tests for central hearing disorders based on the competing message technique (binaural separation)....

Dicistroviridae - A family of invertebrate RNA viruses in the order Picornavirales....

Diclofenac - A non-steroidal anti-inflammatory agent (NSAID) with antipyretic and analgesic actions. It is primar...

Dicloxacillin - One of the PENICILLINS which is resistant to PENICILLINASE....

Dicofol - An organochlorine insecticide....

Dicrocoeliasis - Infection with flukes of the genus Dicrocoelium....

Dicrocoeliidae - A family of flattened, translucent flukes (TREMATODA) occurring in the gut, gallbladder, bile ducts,...

Dicrocoelium - A genus of trematode liver flukes of the family Dicrocoeliidae which includes the species dendriticu...

Dictamnus - A plant genus of the family RUTACEAE. Members contain eudesmane type SESQUITERPENES; COUMARINS, and ...

Dictionaries as Topic - Lists of words, usually in alphabetical order, giving information about form, pronunciation, etymolo...

Dictionary - A reference book containing a list of words - usually in alphabetical order - giving information abo...

Dictyocaulus - Nematodes parasitic in the bronchi of herbivorous animals....

Dictyocaulus Infections - Infection with nematodes of the genus DICTYOCAULUS. In deer, cattle, sheep, and horses the bronchi a...

Dictyosteliida - An order of protozoa characterized by their ability to aggregate to form a multicellular pseudoplasm...

Dictyostelium - A genus of protozoa, formerly also considered a fungus. Its natural habitat is decaying forest leave...

Dicumarol - An oral anticoagulant that interferes with the metabolism of vitamin K. It is also used in biochemic...

Dicyclohexylcarbodiimide - A carbodiimide that is used as a chemical intermediate and coupling agent in peptide synthesis. (Fro...

Dicyclomine - A muscarinic antagonist used as an antispasmodic and in urinary incontinence. It has little effect o...

Didanosine - A dideoxynucleoside compound in which the 3'-hydroxy group on the sugar moiety has been replaced by ...

Didelphis - A genus of large OPOSSUMS in the family Didelphidae, found in the Americas. The species Didelphis vi...

Dideoxyadenosine - A dideoxynucleoside compound in which the 3'-hydroxy group on the sugar moiety has been replaced by ...

Dideoxynucleosides - Nucleosides that have two hydroxy groups removed from the sugar moiety. The majority of these compou...

Dideoxynucleotides - The phosphate esters of DIDEOXYNUCLEOSIDES....

Dieldrin - An organochlorine insecticide whose use has been cancelled or suspended in the United States. It has...

Diencephalon - The paired caudal parts of the prosencephalon from which the THALAMUS; HYPOTHALAMUS; EPITHALAMUS; an...

Dienestrol - A synthetic, non-steroidal estrogen structurally related to stilbestrol. It is used, usually as the ...

Dientamoeba - A genus of minute EUKARYOTES that are characterized by the preponderance of binucleate over uninucle...

Dientamoebiasis - Gastrointestinal infection with organisms of the genus DIENTAMOEBA....

Diestrus - A phase of the ESTROUS CYCLES that follows METESTRUS. Diestrus is a period of sexual quiescence sepa...

Diet - Regular course of eating and drinking adopted by a person or animal. This does not include DIET THER...

Diet Fads - Diets which become fashionable, but which are not necessarily nutritious.(Lehninger 1982, page 484)...

Diet Records - Records of nutrient intake over a specific period of time, usually kept by the patient....

Diet Surveys - Systematic collections of factual data pertaining to the diet of a human population within a given g...

Diet Therapy - By adjusting the quantity and quality of food intake to improve health status of an individual. This...

Diet, Carbohydrate-Restricted - A diet that contains limited amounts of CARBOHYDRATES. This is in distinction to a regular DIET....

Diet, Fat-Restricted - A diet that contains limited amounts of fat with less than 30% of calories from all fats and less th...

Diet, Gluten-Free - A diet which is devoid of GLUTENS from WHEAT; BARLEY; RYE; and other wheat-related varieties. The di...

Diet, Macrobiotic - An approach to nutrition based on whole cereal grains, beans, cooked vegetables and the Chinese YIN-...

Diet, Mediterranean - A diet typical of the Mediterranean region characterized by a pattern high in fruits and vegetables,...

Diet, Protein-Restricted - A diet that contains limited amounts of protein. It is prescribed in some cases to slow the progress...

Diet, Reducing - A diet designed to cause an individual to lose weight....

Diet, Sodium-Restricted - A diet which contains very little sodium chloride. It is prescribed by some for hypertension and for...

Diet, Vegetarian - Dietary practice of completely avoiding meat products in their DIET, consuming vegetables, grains, a...

Dietary Carbohydrates - Carbohydrates present in food comprising digestible sugars and starches and indigestible cellulose a...

Dietary Fats - Fats present in food, especially in animal products such as meat, meat products, butter, ghee. They ...

Dietary Fats, Unsaturated - Unsaturated fats or oils used in foods or as a food....

Dietary Fiber - The remnants of plant cell walls that are resistant to digestion by the alimentary enzymes of man. I...

Dietary Proteins - Proteins obtained from foods. They are the main source of the ESSENTIAL AMINO ACIDS....

Dietary Services - Services provided by dietitians or nutritionists to meet the nutritional needs of individuals, inclu...

Dietary Sucrose - Sucrose present in the diet. It is added to food and drinks as a sweetener....

Dietary Supplements - Products in capsule, tablet or liquid form that provide essential nutrients, such as a vitamin, an e...

Dietetics - The application of nutritional principles to regulation of the diet and feeding persons or groups of...

Diethyl Pyrocarbonate - Preservative for wines, soft drinks, and fruit juices and a gentle esterifying agent....

Diethylcarbamazine - An anthelmintic used primarily as the citrate in the treatment of filariasis, particularly infestati...

Diethylhexyl Phthalate - An ester of phthalic acid. It appears as a light-colored, odorless liquid and is used as a plasticiz...

Diethylnitrosamine - A nitrosamine derivative with alkylating, carcinogenic, and mutagenic properties....

Diethylpropion - A appetite depressant considered to produce less central nervous system disturbance than most drugs ...

Diethylstilbestrol - A synthetic nonsteroidal estrogen used in the treatment of menopausal and postmenopausal disorders. ...

Differential Thermal Analysis - Technique by which phase transitions of chemical reactions can be followed by observation of the hea...

Differential Threshold - The smallest difference which can be discriminated between two stimuli or one which is barely above ...

Diffuse Axonal Injury - A relatively common sequela of blunt head injury, characterized by a global disruption of axons thro...

Diffuse Cerebral Sclerosis of Schilder - A rare central nervous system demyelinating condition affecting children and young adults. Pathologi...

Diffuse Neurofibrillary Tangles with Calcification - A form of presenile DEMENTIA characterized by cortical dementia, NEUROFIBRILLARY TANGLES without SEN...

Diffusion - The tendency of a gas or solute to pass from a point of higher pressure or concentration to a point ...

Diffusion Chambers, Culture - Devices used in a technique by which cells or tissues are grown in vitro or, by implantation, in viv...

Diffusion Magnetic Resonance Imaging - A diagnostic technique that incorporates the measurement of molecular diffusion (such as water or me...

Diffusion of Innovation - The broad dissemination of new ideas, procedures, techniques, materials, and devices and the degree ...

Diffusion Tensor Imaging - The use of diffusion ANISOTROPY data from diffusion magnetic resonance imaging results to construct ...

Diflubenzuron - An insect growth regulator which interferes with the formation of the insect cuticle. It is effectiv...

Diflucortolone - A topical glucocorticoid used in various DERMATOSES. It is absorbed through the skin, bound to plasm...

Diflunisal - A salicylate derivative and anti-inflammatory analgesic with actions and side effects similar to tho...

DiGeorge Syndrome - Congenital syndrome characterized by a spectrum of malformations including the absence of the THYMUS...

Digestion - The process of breakdown of food for metabolism and use by the body....

Digestive System - A group of organs stretching from the MOUTH to the ANUS, serving to breakdown foods, assimilate nutr...

Digestive System Abnormalities - Congenital structural abnormalities of the DIGESTIVE SYSTEM....

Digestive System and Oral Physiological Phenomena - Properties and processes of the DIGESTIVE SYSTEM and DENTITION as a whole or of any of its parts....

Digestive System Diseases - Diseases in any part of the GASTROINTESTINAL TRACT or the accessory organs (LIVER; BILIARY TRACT; PA...

Digestive System Fistula - An abnormal passage communicating between any components of the digestive system, or between any par...

Digestive System Neoplasms - Tumors or cancer of the DIGESTIVE SYSTEM....

Digestive System Physiological Phenomena - Properties and processes of the DIGESTIVE SYSTEM as a whole or of any of its parts....

Digestive System Processes - Biological actions and events that constitute the functions of the DIGESTIVE SYSTEM....

Digestive System Surgical Procedures - Surgery performed on the digestive system or its parts....

Digital Rectal Examination - A physical examination in which the qualified health care worker inserts a lubricated, gloved finger...

Digitalis - A genus of toxic herbaceous Eurasian plants of the SCROPHULARIACEAE which yield cardiotonic DIGITALI...

Digitalis Glycosides - Glycosides from plants of the genus DIGITALIS. Some of these are useful as cardiotonic and anti-arrh...

Digitaria - A plant genus of the family POACEAE that many people consider to be a weed....

Digitonin - A glycoside obtained from Digitalis purpurea; the aglycone is digitogenin which is bound to five sug...

Digitoxigenin - 3 beta,14-Dihydroxy-5 beta-card-20(22)enolide. A cardenolide which is the aglycon of digitoxin. Syno...

Digitoxin - A cardiac glycoside sometimes used in place of DIGOXIN. It has a longer half-life than digoxin; toxi...

Digoxigenin - 3 beta,12 beta,14-Trihydroxy-5 beta-card-20(22)-enolide. A cardenolide which is the aglycon of digox...

Digoxin - A cardiotonic glycoside obtained mainly from Digitalis lanata; it consists of three sugars and the a...

Dihematoporphyrin Ether - The purified component of HEMATOPORPHYRIN DERIVATIVE, it consists of a mixture of oligomeric porphyr...

Dihydralazine - 1,4-Dihydrazinophthalazine. An antihypertensive agent with actions and uses similar to those of HYDR...

Dihydroalprenolol - Hydrogenated alprenolol derivative where the extra hydrogens are often tritiated. This radiolabeled ...

Dihydro-beta-Erythroidine - Dihydro analog of beta-erythroidine, which is isolated from the seeds and other plant parts of Eryth...

Dihydrodipicolinate Reductase - An enzyme that catalyzes the oxidation of 2,3,4,5-tetrahydrodipicolinate to 2,3-dihydrodipicolinate ...

Dihydroergocornine - A 9,10alpha-dihydro derivative of ERGOTAMINE that contains isopropyl sidechains at the 2' and 5' pos...

Dihydroergocristine - A 9,10alpha-dihydro derivative of ERGOTAMINE that contains an isopropyl sidechain at the 2' position...

Dihydroergocryptine - A 9,10alpha-dihydro derivative of ERGOTAMINE that contains an isopropyl sidechain at the 2' position...

Dihydroergotamine - A 9,10alpha-dihydro derivative of ERGOTAMINE. It is used as a vasoconstrictor, specifically for the ...

Dihydroergotoxine - A mixture of three different hydrogenated derivatives of ERGOTAMINE: DIHYDROERGOCORNINE; DIHYDROERGO...

Dihydrolipoamide Dehydrogenase - A flavoprotein containing oxidoreductase that catalyzes the reduction of lipoamide by NADH to yield ...

Dihydrolipoyllysine-Residue Acetyltransferase - An enzyme that catalyzes the acetyltransferase reaction using ACETYL CoA as an acetyl donor and dihy...

Dihydromorphine - A semisynthetic analgesic used in the study of narcotic receptors. It has abuse potential....

Dihydroorotase - An enzyme that, in the course of pyrimidine biosynthesis, catalyzes ring closure by removal of water...

Dihydroorotate Oxidase - An enzyme that in the course of pyrimidine biosynthesis, catalyzes the oxidation of dihydro-orotic a...

Dihydropteridine Reductase - An enzyme that catalyzes the reduction of 6,7-dihydropteridine to 5,6,7,8-tetrahydropteridine in the...

Dihydropteroate Synthase - An enzyme that catalyzes the formation of dihydropteroate from p-aminobenzoic acid and dihydropterid...

Dihydropyridines - Pyridine moieties which are partially saturated by the addition of two hydrogen atoms in any positio...

Dihydropyrimidine Dehydrogenase Deficiency - An autosomal recessive disorder affecting DIHYDROPYRIMIDINE DEHYDROGENASE and causing familial pyrim...

Dihydrostreptomycin Sulfate - A semi-synthetic aminoglycoside antibiotic that is used in the treatment of TUBERCULOSIS....

Dihydrotachysterol - A VITAMIN D that can be regarded as a reduction product of vitamin D2....

Dihydrotestosterone - A potent androgenic metabolite of TESTOSTERONE. Dihydrotestosterone (DHT) is generated by a 5-alpha ...

Dihydrouracil Dehydrogenase (NAD+) - An enzyme that catalyzes the oxidation of 5,6-dihydrouracil to URACIL using NAD as a cofactor. This ...

Dihydrouracil Dehydrogenase (NADP) - An oxidoreductase involved in pyrimidine base degradation. It catalyzes the catabolism of THYMINE; U...

Dihydroxyacetone - A ketotriose compound. Its addition to blood preservation solutions results in better maintenance of...

Dihydroxyacetone Phosphate - An important intermediate in lipid biosynthesis and in glycolysis....

Dihydroxycholecalciferols - Cholecalciferols substituted with two hydroxy groups in any position....

Dihydroxydihydrobenzopyrenes - Benzopyrenes saturated in any two adjacent positions and substituted with two hydroxyl groups in any...

Dihydroxyphenylalanine - A beta-hydroxylated derivative of phenylalanine. The D-form of dihydroxyphenylalanine has less physi...

Dihydroxytryptamines - Tryptamine substituted with two hydroxyl groups in any position. Some are cytotoxic serotonin analog...

Diiodothyronines - These metabolites of THYROXINE are formed by the deiodination of T3 or reverse T3....

Diiodotyrosine - A product from the iodination of MONOIODOTYROSINE. In the biosynthesis of thyroid hormones, diiodot...

Diketopiperazines - Piperazines with two keto oxygens....

Dilatation - The act of dilating....

Dilatation and Curettage - Dilatation of the cervix uteri followed by a scraping of the endometrium with a curette....

Dilatation, Pathologic - The condition of an anatomical structure's being dilated beyond normal dimensions....

Dilazep - Coronary vasodilator with some antiarrhythmic activity....

Dilleniaceae - A plant family of the order Dilleniales, subclass Dilleniidae, class Magnoliopsida....

Diltiazem - A benzothiazepine derivative with vasodilating action due to its antagonism of the actions of CALCIU...

Dimaprit - A histamine H2 receptor agonist that is often used to study the activity of histamine and its recept...

Dimenhydrinate - A drug combination that contains DIPHENHYDRAMINE and THEOPHYLLINE. It is used for treating vertigo, ...

Dimercaprol - An anti-gas warfare agent that is effective against Lewisite (dichloro(2-chlorovinyl)arsine) and for...

Dimerization - The process by which two molecules of the same chemical composition form a condensation product or p...

Dimethadione - An anticonvulsant that is the active metabolite of TRIMETHADIONE....

Dimethindene - A histamine H1 antagonist. It is used in hypersensitivity reactions, in rhinitis, for pruritus, and ...

Dimethisterone - A synthetic progestational hormone without significant estrogenic or androgenic properties. It was f...

Dimethoate - An organothiophosphorus cholinesterase inhibitor that is used as a systemic and contact insecticide....

Dimethyl Adipimidate - Bifunctional cross-linking agent that links covalently free amino groups of proteins or polypeptides...

Dimethyl Suberimidate - The methyl imidoester of suberic acid used to produce cross links in proteins. Each end of the imido...

Dimethyl Sulfoxide - A highly polar organic liquid, that is used widely as a chemical solvent. Because of its ability to ...

Dimethylallyltranstransferase - An enzyme that, in the pathway of cholesterol biosynthesis, catalyzes the condensation of isopenteny...

Dimethyldithiocarbamate - A chemical that acts as a dopamine beta-hydroxylase inhibitor. Its salts are agricultural fungicides...

Dimethylglycine Dehydrogenase - A FLAVOPROTEIN enzyme that catalyzes the oxidative demethylation of dimethylglycine to SARCOSINE and...

Dimethylhydrazines - Hydrazines substituted with two methyl groups in any position....

Dimethylnitrosamine - A nitrosamine derivative with alkylating, carcinogenic, and mutagenic properties. It causes serious ...

Dimethylphenylpiperazinium Iodide - A selective nicotinic cholinergic agonist used as a research tool. DMPP activates nicotinic receptor...

Dimethylpolysiloxanes - Silicone polymers which consist of silicon atoms substituted with methyl groups and linked by oxygen...

Dimetridazole - A compound used to treat histomoniasis in poultry....

Diminazene - An effective trypanocidal agent....

Dimyristoylphosphatidylcholine - A synthetic phospholipid used in liposomes and lipid bilayers for the study of biological membranes....

Dinitolmide - A coccidiostat for poultry....

Dinitrobenzenes - Benzene derivatives which are substituted with two nitro groups in the ortho, meta or para positions...

Dinitrochlorobenzene - A skin irritant that may cause dermatitis of both primary and allergic types. Contact sensitization ...

Dinitrofluorobenzene - Irritants and reagents for labeling terminal amino acid groups....

Dinitrogenase Reductase - A non-heme iron-sulfur protein isolated from Clostridium pasteurianum and other bacteria. It is a co...

Dinitrophenols - Organic compounds that contain two nitro groups attached to a phenol....

Dinoflagellida - Flagellate EUKARYOTES, found mainly in the oceans. They are characterized by the presence of transve...

Dinoprost - A naturally occurring prostaglandin that has oxytocic, luteolytic, and abortifacient activities. Due...

Dinoprostone - The most common and most biologically active of the mammalian prostaglandins. It exhibits most biolo...

Dinosaurs - General name for two extinct orders of reptiles from the Mesozoic era: Saurischia and Ornithischia....

Dinucleoside Phosphates - A group of compounds which consist of a nucleotide molecule to which an additional nucleoside is att...

Dinucleotide Repeats - The most common of the microsatellite tandem repeats (MICROSATELLITE REPEATS) dispersed in the euchr...

Dioclea - A plant genus of the family FABACEAE. Members contain MANNOSE-BINDING LECTINS and dioclein....

Dioctophymatoidea - A superfamily of nematodes of the order ENOPLIDA. Characteristics include a well developed cylindric...

Dioctyl Sulfosuccinic Acid - All-purpose surfactant, wetting agent, and solubilizer used in the drug, cosmetics, and food industr...

Dioncophyllaceae - A plant family of the order Violales, subclass Dilleniidae class Magnoliopsida. Members contain naph...

Dioscorea - A plant genus best known for edible underground tubers. Yam may also refer to a moist variety of sw...

Dioscoreaceae - The yam plant family, of the order Liliales, has thick roots or tubers and net-veined, heart-shaped ...

Diosgenin - A spirostan found in DIOSCOREA and other plants. The 25S isomer is called yamogenin. Solasodine is a...

Diosmin - A bioflavonoid that strengthens vascular walls....

Diospyros - A plant genus of the family EBENACEAE, order Ebenales, subclass Dilleniidae, class Magnoliopsida bes...

Dioxanes - 1,4-Diethylene dioxides. Industrial solvents. According to the Fourth Annual Report on Carcinogens (...

Dioxins - Chlorinated hydrocarbons containing heteroatoms that are present as contaminants of herbicides. Diox...

Dioxygenases - Non-heme iron-containing enzymes that incorporate two atoms of OXYGEN into the substrate. They are i...

Dipeptidases - EXOPEPTIDASES that specifically act on dipeptides. EC 3.4.13....

Dipeptides - Peptides composed of two amino acid units....

Dipeptidyl-Peptidase IV Inhibitors - Compounds that supress the degradation of INCRETINS by blocking the action of DIPEPTIDYL-PEPTIDASE I...

Dipeptidyl-Peptidases and Tripeptidyl-Peptidases - A subclass of exopeptidases that includes enzymes which cleave either two or three AMINO ACIDS from ...

Dipetalonema - A filarial nematode parasite of mammalian blood with the vector being a tick or small fly....

Dipetalonema Infections - Infections with nematodes of the genus DIPETALONEMA....

Diphenhydramine - A histamine H1 antagonist used as an antiemetic, antitussive, for dermatoses and pruritus, for hyper...

Diphenoxylate - A MEPERIDINE congener used as an antidiarrheal, usually in combination with ATROPINE. At high doses,...

Diphenylamine - In humans it may be irritating to mucous membranes. Methemoglobinemia has been produced experimental...

Diphenylcarbazide - Used as an indicator in titrating iron and for the colorimetric determination of chromium and the de...

Diphenylhexatriene - A fluorescent compound that emits light only in specific configurations in certain lipid media. It i...

Diphosphates - Inorganic salts of phosphoric acid that contain two phosphate groups....

Diphosphonates - Organic compounds which contain P-C-P bonds, where P stands for phosphonates or phosphonic acids. Th...

Diphosphotransferases - A class of phosphotransferases that catalyzes the transfer of diphosphate-containing groups. EC 2.7....

Diphtheria - A localized infection of mucous membranes or skin caused by toxigenic strains of CORYNEBACTERIUM DIP...

Diphtheria Antitoxin - An antitoxin produced against the toxin of CORYNEBACTERIUM DIPHTHERIAE that is used for the treatmen...

Diphtheria Toxin - An ADP-ribosylating polypeptide produced by CORYNEBACTERIUM DIPHTHERIAE that causes the signs and sy...

Diphtheria Toxoid - The formaldehyde-inactivated toxin of Corynebacterium diphtheriae. It is generally used in mixtures ...

Diphtheria-Tetanus Vaccine - A combined vaccine used to prevent infection with diphtheria and tetanus toxoid. This is used in pla...

Diphtheria-Tetanus-acellular Pertussis Vaccines - Combined vaccines consisting of DIPHTHERIA TOXOID; TETANUS TOXOID; and an acellular form of PERTUSS...

Diphtheria-Tetanus-Pertussis Vaccine - A vaccine consisting of DIPHTHERIA TOXOID; TETANUS TOXOID; and whole-cell PERTUSSIS VACCINE. The vac...

Diphyllobothriasis - Infection with tapeworms of the genus Diphyllobothrium....

Diphyllobothrium - A genus of tapeworm containing several species which occurs in the intestine of fish, birds, and mam...

Diploidy - The chromosomal constitution of cells, in which each type of CHROMOSOME is represented twice. Symbol...

Diplomonadida - A group of flagellated, mostly symbiotic EUKARYOTES characterized by twofold symmetry associated wit...

Diplopia - A visual symptom in which a single object is perceived by the visual cortex as two objects rather th...

Dipodascus - A genus of ascomycetous yeast in the family Dipodascaceae, order SACCHAROMYCETALES. It is characteri...

Dipodomys - A genus of the family Heteromyidae which contains 22 species. Their physiology is adapted for the co...

Diprenorphine - A narcotic antagonist similar in action to NALOXONE. It is used to remobilize animals after ETORPHIN...

Dipsacaceae - A plant family of the order Dipsacales, subclass Asteridae, class Magnoliopsida. It is sometimes cal...

Diptera - An order of the class Insecta. Wings, when present, number two and distinguish Diptera from other so...

Dipterocarpaceae - A plant family of the order Theales....

Dipteryx - A plant genus of the family FABACEAE. Members contain COUMARINS....

Dipyridamole - A phosphodiesterase inhibitor that blocks uptake and metabolism of adenosine by erythrocytes and vas...

Dipyrone - A drug that has analgesic, anti-inflammatory, and antipyretic properties. It is the sodium sulfonate...

Diquat - A contact herbicide used also to produce desiccation and defoliation. (From Merck Index, 11th ed)...

Direct Service Costs - Costs which are directly identifiable with a particular service....

Directed Molecular Evolution - The techniques used to produce molecules exhibiting properties that conform to the demands of the ex...

Directed Tissue Donation - Tissue, organ, or gamete donation intended for a designated recipient....

Directive Counseling - Counseling during which a professional plays an active role in a client's or patient's decision maki...

Directly Observed Therapy - A treatment method in which patients are under direct observation when they take their medication or...

Directories as Topic - Lists of persons or organizations, systematically arranged, usually in alphabetic or classed order, ...

Directory - Work consisting of an alphabetical or classified list of names, organizations, subjects, etc., givin...

Dirofilaria - A genus of filarial nematodes. Various immature species have been found to infect the eyes or subcut...

Dirofilaria immitis - A filarial parasite primarily of dogs but occurring also in foxes, wolves, and humans. The parasite ...

Dirofilariasis - Infection with nematodes of the genus DIROFILARIA, usually in animals, especially dogs, but occasion...

Disability Evaluation - Determination of the degree of a physical, mental, or emotional handicap. The diagnosis is applied t...

Disabled Children - Children with mental or physical disabilities that interfere with usual activities of daily living a...

Disabled Persons - Persons with physical or mental disabilities that affect or limit their activities of daily living a...

Disaccharides - Oligosaccharides containing two monosaccharide units linked by a glycosidic bond....

Disarticulation - Amputation or separation at a joint. (Dorland, 28th ed)...

Disaster Medicine - Branch of medicine involved with management and organization of public health response to disasters ...

Disaster Planning - Procedures outlined for the care of casualties and the maintenance of services in disasters....

Disasters - Calamities producing great damage, loss of life, and distress. They include results of natural pheno...

Discitis - Inflammation of an intervertebral disk or disk space which may lead to disk erosion. Until recently,...

Disclosure - Revealing of information, by oral or written communication....

Discrete Subaortic Stenosis - A type of constriction that is caused by the presence of a fibrous ring (discrete type) below the AO...

Discriminant Analysis - A statistical analytic technique used with discrete dependent variables, concerned with separating s...

Discrimination (Psychology) - Differential response to different stimuli....

Discrimination Learning - Learning that is manifested in the ability to respond differentially to various stimuli....

Disease - A definite pathologic process with a characteristic set of signs and symptoms. It may affect the who...

Disease Attributes - Clinical characteristics of disease or illness....

Disease Management - A broad approach to appropriate coordination of the entire disease treatment process that often invo...

Disease Models, Animal - Naturally occurring or experimentally induced animal diseases with pathological processes sufficient...

Disease Notification - Notification or reporting by a physician or other health care provider of the occurrence of specifie...

Disease Outbreaks - Sudden increase in the incidence of a disease. The concept includes epidemics and pandemics....

Disease Progression - The worsening of a disease over time. This concept is most often used for chronic and incurable dise...

Disease Reservoirs - Animate or inanimate sources which normally harbor disease-causing organisms and thus serve as poten...

Disease Susceptibility - A constitution or condition of the body which makes the tissues react in special ways to certain ext...

Disease Transmission, Infectious - The transmission of infectious disease or pathogens. When transmission is within the same species, t...

Disease Vectors - Invertebrates or non-human vertebrates which transmit infective organisms from one host to another....

Disease-Free Survival - Period after successful treatment in which there is no appearance of the symptoms or effects of the ...

Diseases in Twins - Disorders affecting TWINS, one or both, at any age....

Disinfectants - Substances used on inanimate objects that destroy harmful microorganisms or inhibit their activity. ...

Disinfection - Rendering pathogens harmless through the use of heat, antiseptics, antibacterial agents, etc....

Disintegrins - A family of polypeptides purified from snake venoms, which contain the arginine-glycine-aspartic aci...

Disk Diffusion Antimicrobial Tests - A method where a culturing surface inoculated with microbe is exposed to small disks containing know...

Diskectomy - Excision, in part or whole, of an intervertebral disk. The most common indication is disk displaceme...

Diskectomy, Percutaneous - Percutaneous excision of a herniated or displaced intervertebral disk by posterolateral approach, al...

Disopyramide - A class I anti-arrhythmic agent (one that interferes directly with the depolarization of the cardiac...

Disorders of Environmental Origin - Disorders representing collectively the results of assault by external forces, rather than by organi...

Disorders of Excessive Somnolence - Disorders characterized by hypersomnolence during normal waking hours that may impair cognitive func...

Displacement (Psychology) - The process by which an emotional or behavioral response that is appropriate for one situation appea...

Disposable Equipment - Apparatus, devices, or supplies intended for one-time or temporary use....

Dissection - The separation and isolation of tissues for surgical purposes, or for the analysis or study of their...

Disseminated Intravascular Coagulation - A disorder characterized by procoagulant substances entering the general circulation causing a syste...

Dissent and Disputes - Differences of opinion or disagreements that may arise, for example, between health professionals an...

Dissertations, Academic as Topic - Dissertations embodying results of original research and especially substantiating a specific view, ...

Dissociative Disorders - Sudden temporary alterations in the normally integrative functions of consciousness....

Distal Myopathies - A heterogeneous group of genetic disorders characterized by progressive MUSCULAR ATROPHY and MUSCLE ...

Distamycins - Oligopeptide antibiotics from Streptomyces distallicus. Their binding to DNA inhibits synthesis of n...

Distance Perception - The act of knowing or the recognition of a distance by recollective thought, or by means of a sensor...

Distemper - A name for several highly contagious viral diseases of animals, especially canine distemper. In dogs...

Distemper Virus, Canine - A species of MORBILLIVIRUS causing distemper in dogs, wolves, foxes, raccoons, and ferrets. Pinniped...

Distemper Virus, Phocine - A species of MORBILLIVIRUS causing distemper in seals....

Distillation - A chemical process for separating the components of a liquid mixture by boiling and collecting conde...

District of Columbia - A federal area located between Maryland and Virginia on the Potomac river; it is coextensive with Wa...

Disulfides - Chemical groups containing the covalent disulfide bonds -S-S-. The sulfur atoms can be bound to inor...

Disulfiram - A carbamate derivative used as an alcohol deterrent. It is a relatively nontoxic substance when admi...

Disulfoton - An organothiophosphate insecticide....

Diterpenes - Twenty-carbon compounds derived from MEVALONIC ACID or deoxyxylulose phosphate....

Diterpenes, Abietane - A group of DITERPENES cyclized into 3-ring PHENANTHRENES....

Diterpenes, Clerodane - A group of DITERPENES cyclized into 2-rings with a side-chain....

Diterpenes, Kaurane - A group of DITERPENES cyclized into four rings....

Dithiazanine - 3-Ethyl-2-(5-(3-ethyl-2-benzothiazolinylidene)-1,3- pentadienyl)benzothiazolium. A benzothiazole tha...

Dithioerythritol - A compound that, along with its isomer, Cleland's reagent (DITHIOTHREITOL), is used for the protecti...

Dithionite - Dithionite. The dithionous acid ion and its salts....

Dithionitrobenzoic Acid - A standard reagent for the determination of reactive sulfhydryl groups by absorbance measurements. I...

Dithiothreitol - A reagent commonly used in biochemical studies as a protective agent to prevent the oxidation of SH ...

Dithizone - Chelating agent used for heavy metal poisoning and assay. It causes diabetes....

Ditiocarb - A chelating agent that has been used to mobilize toxic metals from the tissues of man and experiment...

Diuresis - An increase in the excretion of URINE. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6...

Diuretics - Agents that promote the excretion of urine through their effects on kidney function....

Diuretics, Osmotic - Compounds that increase urine volume by increasing the amount of osmotically active solute in the ur...

Diurnal Enuresis - Involuntary discharge of URINE during the daytime while one is awake....

Diuron - A pre-emergent herbicide....

Diverticulitis - Inflammation of a DIVERTICULUM or diverticula....

Diverticulitis, Colonic - Inflammation of the COLONIC DIVERTICULA, generally with abscess formation and subsequent perforation...

Diverticulosis, Colonic - A pathological condition characterized by the presence of a number of COLONIC DIVERTICULA in the COL...

Diverticulosis, Esophageal - A pathological condition characterized by the presence of a number of ESOPHAGEAL DIVERTICULA in the ...

Diverticulosis, Stomach - A pathological condition characterized by the presence of a number of GASTRIC DIVERTICULA in the STO...

Diverticulum - A pouch or sac developed from a tubular or saccular organ, such as the GASTROINTESTINAL TRACT....

Diverticulum, Colon - A pouch or sac opening from the COLON....

Diverticulum, Esophageal - Saccular protrusion beyond the wall of the ESOPHAGUS....

Diverticulum, Stomach - Saccular, outward protrusion of all or a portion of the wall of the STOMACH....

Diving - An activity in which the organism plunges into water. It includes scuba and bell diving. Diving as n...

Divorce - Legal dissolution of an officially recognized marriage relationship....

Diynes - Compounds with two triple bonds. Some of them are CYTOTOXINS....

Dizocilpine Maleate - A potent noncompetitive antagonist of the NMDA receptor (RECEPTORS, N-METHYL-D-ASPARTATE) used mainl...

Dizziness - An imprecise term which may refer to a sense of spatial disorientation, motion of the environment, o...

Djibouti - A republic in eastern Africa, on the Gulf of Aden at the entrance to the Red Sea. Djibouti is also t...

DMF Index - "Decayed, missing and filled teeth," a routinely used statistical concept in dentistry....

DNA - A deoxyribonucleotide polymer that is the primary genetic material of all cells. Eukaryotic and prok...

DNA (Cytosine-5-)-Methyltransferase - An enzyme that catalyzes the transfer of a methyl group from S-ADENOSYLMETHIONINE to the 5-position ...

DNA Adducts - The products of chemical reactions that result in the addition of extraneous chemical groups to DNA....

DNA Breaks - Interruptions in the sugar-phosphate backbone of DNA....

DNA Breaks, Double-Stranded - Interruptions in the sugar-phosphate backbone of DNA, across both strands adjacently....

DNA Breaks, Single-Stranded - Interruptions in one of the strands of the sugar-phosphate backbone of double-stranded DNA....

DNA Cleavage - A reaction that severs one of the covalent sugar-phosphate linkages between NUCLEOTIDES that compose...

DNA Copy Number Variations - Stretches of genomic DNA that exist in different multiples between individuals. Many copy number var...

DNA Damage - Injuries to DNA that introduce deviations from its normal, intact structure and which may, if left u...

DNA Degradation, Necrotic - The random catabolism of DNA accompaning the irreversible damage to tissue which leads to the pathol...

DNA Fingerprinting - A technique for identifying individuals of a species that is based on the uniqueness of their DNA se...

DNA Footprinting - A method for determining the sequence specificity of DNA-binding proteins. DNA footprinting utilizes...

DNA Fragmentation - Splitting the DNA into shorter pieces by endonucleolytic DNA CLEAVAGE at multiple sites. It includes...

DNA Glycosylases - A family of DNA repair enzymes that recognize damaged nucleotide bases and remove them by hydrolyzin...

DNA Gyrase - A bacterial DNA topoisomerase II that catalyzes ATP-dependent breakage of both strands of DNA, passa...

DNA Helicases - Proteins that catalyze the unwinding of duplex DNA during replication by binding cooperatively to si...

DNA Ligases - Poly(deoxyribonucleotide):poly(deoxyribonucleotide)ligases. Enzymes that catalyze the joining of pre...

DNA Methylation - Addition of methyl groups to DNA. DNA methyltransferases (DNA methylases) perform this reaction usi...

DNA Mismatch Repair - A DNA repair pathway involved in correction of errors introduced during DNA replication when an inco...

DNA Modification Methylases - Enzymes that are part of the restriction-modification systems. They are responsible for producing a ...

DNA Mutational Analysis - Biochemical identification of mutational changes in a nucleotide sequence....

DNA Nucleotidylexotransferase - A non-template-directed DNA polymerase normally found in vertebrate thymus and bone marrow. It catal...

DNA Nucleotidyltransferases - Enzymes that catalyze the incorporation of deoxyribonucleotides into a chain of DNA. EC 2.7.7.-....

DNA Packaging - The folding of an organism's DNA molecule into a compact, orderly structure that fits within the lim...

DNA Polymerase beta - A DNA repair enzyme that catalyzes DNA synthesis during base excision DNA repair. EC 2.7.7.7....

DNA Polymerase I - A DNA-dependent DNA polymerase characterized in prokaryotes and may be present in higher organisms. ...

DNA Polymerase II - A DNA-dependent DNA polymerase characterized in E. coli and other lower organisms. It may be present...

DNA Polymerase III - A DNA-dependent DNA polymerase characterized in E. coli and other lower organisms but may be present...

DNA Primase - A single-stranded DNA-dependent RNA polymerase that functions to initiate, or prime, DNA synthesis b...

DNA Primers - Short sequences (generally about 10 base pairs) of DNA that are complementary to sequences of messen...

DNA Probes - Species- or subspecies-specific DNA (including COMPLEMENTARY DNA; conserved genes, whole chromosome...

DNA Probes, HLA - DNA probes specific for the human leukocyte antigen genes, which represent the major histocompatibil...

DNA Probes, HPV - DNA probes specific for the identification of human papilloma virus....

DNA Repair - The reconstruction of a continuous two-stranded DNA molecule without mismatch from a molecule which ...

DNA Repair Enzymes - Enzymes that are involved in the reconstruction of a continuous two-stranded DNA molecule without mi...

DNA Repair-Deficiency Disorders - Disorders resulting from defective DNA REPAIR processes or the associated cellular responses to DNA ...

DNA Repeat Expansion - An increase number of repeats of a genomic, tandemly repeated DNA sequence from one generation to th...

DNA Replication - The process by which a DNA molecule is duplicated....

DNA Replication Timing - The temporal order in which the DNA of the GENOME is replicated....

DNA Restriction Enzymes - Enzymes that are part of the restriction-modification systems. They catalyze the endonucleolytic cle...

DNA Restriction-Modification Enzymes - Systems consisting of two enzymes, a modification methylase and a restriction endonuclease. They are...

DNA Sequence, Unstable - A region of DNA that is highly polymorphic and is prone to strand breaks, rearrangements or other MU...

DNA Shuffling - The use of DNA recombination (RECOMBINATION, GENETIC) to prepare a large gene library of novel, chim...

DNA Topoisomerase IV - A bacterial DNA topoisomerase II that catalyzes ATP-dependent breakage of both strands of DNA, passa...

DNA Topoisomerases - Enzymes that regulate the topology of DNA by actions such as breaking, relaxing, passing, and rejoin...

DNA Topoisomerases, Type I - DNA TOPOISOMERASES that catalyze ATP-independent breakage of one of the two strands of DNA, passage ...

DNA Topoisomerases, Type I, Archaeal - Archaeal enzymes of the DNA TOPOISOMERASES, TYPE I class that catalyze ATP-independent breakage of o...

DNA Topoisomerases, Type I, Bacterial - Bacterial enzymes of the DNA TOPOISOMERASES, TYPE I class that catalyze ATP-independent breakage of ...

DNA Topoisomerases, Type I, Eukaryotic - Eukaryotic enzymes of the DNA TOPOISOMERASES, TYPE I class that catalyze ATP-independent breakage of...

DNA Topoisomerases, Type II - DNA TOPOISOMERASES that catalyze ATP-dependent breakage of both strands of DNA, passage of the unbro...

DNA Topoisomerases, Type II, Archaeal - Archaeal enzymes of the DNA TOPOISOMERASES, TYPE II class that catalyze ATP-dependent breakage of bo...

DNA Topoisomerases, Type II, Bacterial - Bacterial enzymes of the DNA TOPOISOMERASES, TYPE II class that catalyze ATP-dependent breakage of b...

DNA Topoisomerases, Type II, Eukaryotic - Eukaryotic enzymes of the DNA TOPOISOMERASES, TYPE II class that catalyze ATP-dependent breakage of...

DNA Transposable Elements - Discrete segments of DNA which can excise and reintegrate to another site in the genome. Most are in...

DNA Tumor Viruses - DNA viruses producing malignant tumors. Of the six major groupings of DNA viruses four contain membe...

DNA Viruses - Viruses whose nucleic acid is DNA....

DNA-(Apurinic or Apyrimidinic Site) Lyase - A DNA repair enzyme that catalyses the excision of ribose residues at apurinic and apyrimidinic DNA ...

DNA, A-Form - An isoform of DNA that occurs in an environment rich in SODIUM and POTASSIUM ions. It is a right-han...

DNA, Algal - Deoxyribonucleic acid that makes up the genetic material of ALGAE....

DNA, Antisense - DNA that is complementary to the sense strand. (The sense strand has the same sequence as the mRNA t...

DNA, Archaeal - Deoxyribonucleic acid that makes up the genetic material of archaea....

DNA, Bacterial - Deoxyribonucleic acid that makes up the genetic material of bacteria....

DNA, Catalytic - Molecules of DNA that possess enzymatic activity....

DNA, Catenated - CIRCULAR DNA that is interlaced together as links in a chain. It is used as an assay for the activit...

DNA, C-Form - An isoform of DNA that occurs under experimental conditions. It is a right-handed helix that is less...

DNA, Chloroplast - Deoxyribonucleic acid that makes up the genetic material of CHLOROPLASTS....

DNA, Circular - Any of the covalently closed DNA molecules found in bacteria, many viruses, mitochondria, plastids, ...

DNA, Complementary - Single-stranded complementary DNA synthesized from an RNA template by the action of RNA-dependent DN...

DNA, Concatenated - Head to tail array of covalently joined DNA sequences generated by concatenation. Concatenated DNA i...

DNA, Cruciform - A cross-shaped DNA structure that can be observed under the electron microscope. It is formed by the...

DNA, Fungal - Deoxyribonucleic acid that makes up the genetic material of fungi....

DNA, Helminth - Deoxyribonucleic acid that makes up the genetic material of helminths....

DNA, Intergenic - Any of the DNA in between gene-coding DNA, including untranslated regions, 5' and 3' flanking region...

DNA, Kinetoplast - DNA of kinetoplasts which are specialized MITOCHONDRIA of trypanosomes and related parasitic protozo...

DNA, Mitochondrial - Double-stranded DNA of MITOCHONDRIA. In eukaryotes, the mitochondrial GENOME is circular and codes f...

DNA, Neoplasm - DNA present in neoplastic tissue....

DNA, Plant - Deoxyribonucleic acid that makes up the genetic material of plants....

DNA, Protozoan - Deoxyribonucleic acid that makes up the genetic material of protozoa....

DNA, Recombinant - Biologically active DNA which has been formed by the in vitro joining of segments of DNA from differ...

DNA, Ribosomal - DNA sequences encoding RIBOSOMAL RNA and the segments of DNA separating the individual ribosomal RNA...

DNA, Ribosomal Spacer - The intergenic DNA segments that are between the ribosomal RNA genes (internal transcribed spacers) ...

DNA, Satellite - Highly repetitive DNA sequences found in HETEROCHROMATIN, mainly near centromeres. They are composed...

DNA, Single-Stranded - A single chain of deoxyribonucleotides that occurs in some bacteria and viruses. It usually exists a...

DNA, Superhelical - Circular duplex DNA isolated from viruses, bacteria and mitochondria in supercoiled or supertwisted ...

DNA, Viral - Deoxyribonucleic acid that makes up the genetic material of viruses....

DNA, Z-Form - A left-handed double helix of DNA. Its name derives from its narrow zigzag structure that is the lea...

DNA-Activated Protein Kinase - A serine-threonine protein kinase that, when activated by DNA, phosphorylates several DNA-binding pr...

DnaB Helicases - A family of DNA helicases that participate in DNA REPLICATION. They assemble into hexameric rings wi...

DNA-Binding Proteins - Proteins which bind to DNA. The family includes proteins which bind to both double- and single-stran...

DNA-Cytosine Methylases - Methylases that are specific for CYTOSINE residues found on DNA....

DNA-Directed DNA Polymerase - DNA-dependent DNA polymerases found in bacteria, animal and plant cells. During the replication proc...

DNA-Directed RNA Polymerases - Enzymes that catalyze DNA template-directed extension of the 3'-end of an RNA strand one nucleotide ...

DNA-Formamidopyrimidine Glycosylase - A DNA repair enzyme that is an N-glycosyl hydrolase with specificity for DNA-containing ring-opened ...

Dobutamine - A beta-2 agonist catecholamine that has cardiac stimulant action without evoking vasoconstriction or...

Docosahexaenoic Acids - C22-unsaturated fatty acids found predominantly in FISH OILS....

Documentaries and Factual Films - Works consisting of films, videos, and programs which depict actual persons or actual events. They d...

Documentation - Systematic organization, storage, retrieval, and dissemination of specialized information, especiall...

Dodecanol - A saturated 12-carbon fatty alcohol obtained from coconut oil fatty acids. It has a floral odor and ...

Dog Diseases - Diseases of the domestic dog (Canis familiaris). This term does not include diseases of wild dogs, W...

Dogfish - Sharks of the family Squalidae, also called dogfish sharks. They comprise at least eight genera and ...

Dogs - The domestic dog, Canis familiaris, comprising about 400 breeds, of the carnivore family CANIDAE. Th...

Dolichol - Eicosamethyl octacontanonadecasen-1-o1. Polyprenol found in animal tissues that contains about 20 is...

Dolichol Monophosphate Mannose - A lipophilic glycosyl carrier of the monosaccharide mannose in the biosynthesis of oligosaccharide p...

Dolichol Phosphates - Phosphoric acid esters of dolichol....

Dolichos - A plant genus of the family FABACEAE that contains LECTINS. Many members have been reclassified into...

Dolphins - Mammals of the families Delphinidae (ocean dolphins), Iniidae, Lipotidae, Pontoporiidae, and Platani...

Domestic Violence - Deliberate, often repetitive, physical abuse by one family member against another: marital partners,...

Dominance, Cerebral - Dominance of one cerebral hemisphere over the other in cerebral functions....

Dominance, Ocular - The functional superiority and preferential use of one eye over the other. The term is usually appli...

Dominance-Subordination - Relationship between individuals when one individual threatens or becomes aggressive and the other i...

Dominica - An island republic of the West Indies. Its capital is Roseau. It was discovered in 1493 by Columbus ...

Dominican Republic - A republic in the Greater Antilles in the West Indies. Its capital is Santo Domingo. With Haiti, it ...

Domperidone - A specific blocker of dopamine receptors. It speeds gastrointestinal peristalsis, causes prolactin r...

Donohue Syndrome - Rare autosomal recessive syndrome of extreme insulin resistance due to mutations in the binding doma...

Donor Selection - The procedure established to evaluate the health status and risk factors of the potential DONORS of ...

Dopa Decarboxylase - One of the AROMATIC-L-AMINO-ACID DECARBOXYLASES, this enzyme is responsible for the conversion of do...

Dopamine - One of the catecholamine NEUROTRANSMITTERS in the brain. It is derived from TYROSINE and is the pre...

Dopamine Agents - Any drugs that are used for their effects on dopamine receptors, on the life cycle of dopamine, or o...

Dopamine Agonists - Drugs that bind to and activate dopamine receptors....

Dopamine and cAMP-Regulated Phosphoprotein 32 - A phosphoprotein that was initially identified as a major target of DOPAMINE activated ADENYLYL CYCL...

Dopamine Antagonists - Drugs that bind to but do not activate DOPAMINE RECEPTORS, thereby blocking the actions of dopamine ...

Dopamine Plasma Membrane Transport Proteins - Sodium chloride-dependent neurotransmitter symporters located primarily on the PLASMA MEMBRANE of do...

Dopamine Uptake Inhibitors - Drugs that block the transport of DOPAMINE into axon terminals or into storage vesicles within termi...

Doping in Sports - Illegitimate use of drugs for a desired effect in competitive sports; includes humans and animals....

Doppler Effect - Changes in the observed frequency of waves (as sound, light, or radio waves) due to the relative mot...

Dorsomedial Hypothalamic Nucleus - An aggregation of cells in the middle hypothalamus dorsal to the ventromedial nucleus and bordering ...

Dosage Compensation, Genetic - Genetic mechanisms that allow GENES to be expressed at a similar level irrespective of their GENE DO...

Dosage Forms - Completed forms of the pharmaceutical preparation in which prescribed doses of medication are includ...

Dose Fractionation - Administration of the total dose of radiation (RADIATION DOSAGE) in parts, at timed intervals....

Dose-Response Relationship, Drug - The relationship between the dose of an administered drug and the response of the organism to the dr...

Dose-Response Relationship, Immunologic - A specific immune response elicited by a specific dose of an immunologically active substance or cel...

Dose-Response Relationship, Radiation - The relationship between the dose of administered radiation and the response of the organism or tiss...

Dothiepin - A tricyclic antidepressant with some tranquilizing action....

Double Bind Interaction - Simultaneous communication of conflicting messages in which the response to either message evokes re...

Double Effect Principle - Guideline for determining when it is morally permissible to perform an action to pursue a good end w...

Double Outlet Right Ventricle - Incomplete transposition of the great vessels in which both the AORTA and the PULMONARY ARTERY arise...

Double-Blind Method - A method of studying a drug or procedure in which both the subjects and investigators are kept unawa...

Douglas' Pouch - A sac or recess formed by a fold of the peritoneum....

Dourine - A disease of horses and donkeys caused by Trypanosoma equiperdum. The disease occurs in Africa, the ...

Down Syndrome - A chromosome disorder associated either with an extra chromosome 21 or an effective trisomy for chro...

Down-Regulation - A negative regulatory effect on physiological processes at the molecular, cellular, or systemic leve...

Doxapram - A central respiratory stimulant with a brief duration of action. (From Martindale, The Extra Pharmoc...

Doxazosin - A selective alpha-1-adrenergic blocker that lowers serum CHOLESTEROL. It is also effective in the tr...

Doxepin - A dibenzoxepin tricyclic compound. It displays a range of pharmacological actions including maintain...

Doxorubicin - Antineoplastic antibiotic obtained from Streptomyces peucetius. It is a hydroxy derivative of DAUNOR...

Doxycycline - A synthetic TETRACYCLINE derivative with similar antimicrobial activity. Animal studies suggest that...

Doxylamine - Histamine H1 antagonist with pronounced sedative properties. It is used in allergies and as an antit...

Dracaena - A plant genus of the family LILIACEAE. The common name of "dragon's blood" is also used for CROTON a...

Dracunculiasis - Infection with nematodes of the genus Dracunculus. One or more worms may be seen at a time, with the...

Dracunculoidea - A superfamily of nematodes of the suborder CAMALLANINA. Its organisms possess a poorly developed buc...

Dracunculus Nematode - A genus of nematode parasites which inhabit the body cavity, serous membranes, and connective tissue...

Drainage - The removal of fluids or discharges from the body, such as from a wound, sore, or cavity....

Drainage, Postural - A rehabilitation therapy for removal of copious mucus secretion from the lung of patients with disea...

Drainage, Sanitary - A system of artificial or natural drains, generally used for the disposal of liquid wastes....

Drama - A composition in prose or verse presenting in dialogue or pantomime a story involving various charac...

Drawings - Works consisting of graphic representations of objects or ideas by lines....

Dreams - A series of thoughts, images, or emotions occurring during sleep which are dissociated from the usua...

Dreissena - A genus of mussels in the family Dreissenidae, class BIVALVIA. They are found in both fresh and brac...

Drimys - A plant genus of the family WINTERACEAE. They have leathery, elliptic-shaped leaves; red-tinged shoo...

Drinking - The consumption of liquids....

Drinking Behavior - Behaviors associated with the ingesting of water and other liquids; includes rhythmic patterns of dr...

Drive - A state of internal activity of an organism that is a necessary condition before a given stimulus wi...

Dromaiidae - A family of flightless, running BIRDS, in the order Casuariiformes. The emu is the only surviving me...

Droperidol - A butyrophenone with general properties similar to those of HALOPERIDOL. It is used in conjunction w...

Drosera - A plant genus of the family Droseraceae, order Nepenthales, subclass Dilleniidae, class Magnoliopsid...

Droseraceae - A plant family of the order Nepenthales, subclass Dilleniidae, class Magnoliopsida, notable for leav...

Drosophila - A genus of small, two-winged flies containing approximately 900 described species. These organisms a...

Drosophila melanogaster - A species of fruit fly much used in genetics because of the large size of its chromosomes....

Drosophila Proteins - Proteins that originate from insect species belonging to the genus DROSOPHILA. The proteins from the...

Drosophilidae - A family of the order DIPTERA. These flies are generally found around decaying vegetation and fruit....

Droughts - Prolonged dry periods in natural climate cycle. They are slow-onset phenomena caused by rainfall def...

Drowning - Death that occurs as a result of anoxia or heart arrest, associated with immersion in liquid....

Droxidopa - A precursor of noradrenaline that is used in the treatment of parkinsonism. The racemic form (DL-thr...

Drug Administration Routes - The various ways of administering a drug or other chemical to a site in a patient or animal from whe...

Drug Administration Schedule - Time schedule for administration of a drug in order to achieve optimum effectiveness and convenience...

Drug Agonism - Phenomena and pharmaceutics of compounds that selectively bind to a specific receptor and trigger a ...

Drug and Narcotic Control - Control of drug and narcotic use by international agreement, or by institutional systems for handlin...

Drug Antagonism - Phenomena and pharmaceutics of compounds that inhibit the function of agonists (DRUG AGONISM) and in...

Drug Approval - Process that is gone through in order for a drug to receive approval by a government regulatory agen...

Drug Carriers - Forms to which substances are incorporated to improve the delivery and the effectiveness of drugs. ...

Drug Chronotherapy - The adaptation of drug administration to the known variations in biological RHYTHMICITY, such as CIR...

Drug Combinations - Single preparations containing two or more active agents, for the purpose of their concurrent admini...

Drug Compounding - The preparation, mixing, and assembling of a drug. (From Remington, The Science and Practice of Phar...

Drug Contamination - The presence of organisms, or any foreign material that makes a drug preparation impure....

Drug Costs - The amount that a health care institution or organization pays for its drugs. It is one component of...

Drug Delivery Systems - Systems for the delivery of drugs to target sites of pharmacological actions. Technologies employed ...

Drug Design - The molecular designing of drugs for specific purposes (such as DNA-binding, enzyme inhibition, anti...

Drug Discovery - The process of finding chemicals for potential therapeutic use....

Drug Dosage Calculations - Math calculations done for preparing appropriate doses of medicines, taking into account conversions...

Drug Eruptions - Adverse cutaneous reactions caused by ingestion, parenteral use, or local application of a drug. The...

Drug Evaluation - Any process by which toxicity, metabolism, absorption, elimination, preferred route of administratio...

Drug Evaluation, Preclinical - Preclinical testing of drugs in experimental animals or in vitro for their biological and toxic effe...

Drug Hypersensitivity - Immunologically mediated adverse reactions to medicinal substances used legally or illegally....

Drug Implants - Small containers or pellets of a solid drug implanted in the body to achieve sustained release of th...

Drug Incompatibility - The quality of not being miscible with another given substance without a chemical change. One drug i...

Drug Industry - That segment of commercial enterprise devoted to the design, development, and manufacture of chemica...

Drug Information Services - Services providing pharmaceutic and therapeutic drug information and consultation....

Drug Interactions - The action of a drug that may affect the activity, metabolism, or toxicity of another drug....

Drug Inverse Agonism - Phenomena and pharmaceutics of compounds that bind to the same receptor binding-site as an agonist (...

Drug Labeling - Use of written, printed, or graphic materials upon or accompanying a drug container or wrapper. It i...

Drug Monitoring - The process of observing, recording, or detecting the effects of a chemical substance administered t...

Drug Packaging - Containers, packaging, and packaging materials for drugs and biological products. These include thos...

Drug Partial Agonism - Drug agonism involving selective binding but reduced effect. This can result in some degree of DRUG ...

Drug Prescriptions - Directions written for the obtaining and use of DRUGS....

Drug Recalls - Removal of a drug from the market due to a problem occurring in the manufacture or distribution of t...

Drug Residues - Drugs and their metabolites which are found in the edible tissues and milk of animals after their me...

Drug Resistance - Diminished or failed response of an organism, disease or tissue to the intended effectiveness of a c...

Drug Resistance, Bacterial - The ability of bacteria to resist or to become tolerant to chemotherapeutic agents, antimicrobial ag...

Drug Resistance, Fungal - The ability of fungi to resist or to become tolerant to chemotherapeutic agents, antifungal agents, ...

Drug Resistance, Microbial - The ability of microorganisms, especially bacteria, to resist or to become tolerant to chemotherapeu...

Drug Resistance, Multiple - Simultaneous resistance to several structurally and functionally distinct drugs....

Drug Resistance, Multiple, Bacterial - The ability of bacteria to resist or to become tolerant to several structurally and functionally dis...

Drug Resistance, Multiple, Fungal - The ability of fungi to resist or to become tolerant to several structurally and functionally distin...

Drug Resistance, Multiple, Viral - The ability of viruses to resist or to become tolerant to several structurally and functionally dist...

Drug Resistance, Neoplasm - Resistance or diminished response of a neoplasm to an antineoplastic agent in humans, animals, or ce...

Drug Resistance, Viral - The ability of viruses to resist or to become tolerant to chemotherapeutic agents or antiviral agent...

Drug Screening Assays, Antitumor - Methods of investigating the effectiveness of anticancer cytotoxic drugs and biologic inhibitors. Th...

Drug Synergism - The action of a drug in promoting or enhancing the effectiveness of another drug....

Drug Therapy, Combination - Therapy with two or more separate preparations given for a combined effect....

Drug Therapy, Computer-Assisted - Adjunctive computer programs in providing drug treatment to patients....

Drug Tolerance - Progressive diminution of the susceptibility of a human or animal to the effects of a drug, resultin...

Drug Toxicity - Manifestations of the adverse effects of drugs administered therapeutically or in the course of diag...

Drug Users - People who take drugs for a non-therapeutic or non-medical effect. The drugs may be legal or illegal...

Drug Utilization - The utilization of drugs as reported in individual hospital studies, FDA studies, marketing, or cons...

Drug Utilization Review - Formal programs for assessing drug prescription against some standard. Drug utilization review may c...

Drug-Eluting Stents - Stents that are covered with materials that are embedded with chemicals that are gradually released ...

Drug-Induced Liver Injury - A spectrum of clinical liver diseases ranging from mild biochemical abnormalities to ACUTE LIVER FAI...

Drug-Induced Liver Injury, Chronic - Liver disease lasting six months or more, caused by an adverse drug effect. The adverse effect may ...

Drugs, Chinese Herbal - Chinese herbal or plant extracts which are used as drugs to treat diseases or promote general well-b...

Drugs, Essential - Drugs considered essential to meet the health needs of a population as well as to control drug costs...

Drugs, Generic - Drugs whose drug name is not protected by a trademark. They may be manufactured by several companies...

Drugs, Investigational - Drugs which have received FDA approval for human testing but have yet to be approved for commercial ...

Dry Eye Syndromes - Corneal and conjunctival dryness due to deficient tear production, predominantly in menopausal and p...

Dry Ice - A solid form of carbon dioxide used as a refrigerant....

Dry Socket - A condition sometimes occurring after tooth extraction, particularly after traumatic extraction, res...

Dryopteridaceae - The wood fern plant family of the order Polypodiales, class Filicopsida, division Pteridophyta....

Dryopteris - A plant genus of the family DRYOPTERIDACEAE. Members contain aspidin and filicic acid....

Dual Specificity Phosphatase 1 - A dual specificity phosphatase subtype that plays a role in intracellular signal transduction by ina...

Dual Specificity Phosphatase 2 - A dual specificity phosphatase subtype that plays a role in intracellular signal transduction by ina...

Dual Specificity Phosphatase 3 - A dual specificity phosphatase subtype that plays a role in intracellular signal transduction by ina...

Dual Specificity Phosphatase 6 - A dual specificity phosphatase subtype that plays a role in intracellular signal transduction by ina...

Dual-Specificity Phosphatases - A sub-class of protein tyrosine phosphatases that contain an additional phosphatase activity which c...

Duane Retraction Syndrome - A syndrome characterized by marked limitation of abduction of the eye, variable limitation of adduct...

Duboisia - A plant genus of the family SOLANACEAE that is a source of SCOPOLAMINE and other TROPANES....

Ductus Arteriosus - A fetal blood vessel connecting the pulmonary artery with the descending aorta....

Ductus Arteriosus, Patent - A congenital heart defect characterized by the persistent opening of fetal DUCTUS ARTERIOSUS that co...

Duffy Blood-Group System - A blood group consisting mainly of the antigens Fy(a) and Fy(b), determined by allelic genes, the fr...

Dugong - A genus of the order Sirenia characterized by a notched tail, the presence of nasal bones and a long...

Dumping Syndrome - Gastrointestinal symptoms resulting from an absent or nonfunctioning pylorus....

Duodenal Diseases - Pathological conditions in the DUODENUM region of the small intestine (INTESTINE, SMALL)....

Duodenal Neoplasms - Tumors or cancer of the DUODENUM....

Duodenal Obstruction - Hindrance of the passage of luminal contents in the DUODENUM. Duodenal obstruction can be partial or...

Duodenal Ulcer - A PEPTIC ULCER located in the DUODENUM....

Duodenitis - Inflammation of the DUODENUM section of the small intestine (INTESTINE, SMALL). Erosive duodenitis m...

Duodenogastric Reflux - Retrograde flow of duodenal contents (BILE ACIDS; PANCREATIC JUICE) into the STOMACH....

Duodenoscopes - Endoscopes for examining the interior of the duodenum....

Duodenoscopy - Endoscopic examination, therapy or surgery of the luminal surface of the duodenum....

Duodenostomy - Surgical formation of an opening into the DUODENUM....

Duodenum - The shortest and widest portion of the SMALL INTESTINE adjacent to the PYLORUS of the STOMACH. It is...

Duplicate Publication - Work consisting of an article or book of identical or nearly identical material published simultaneo...

Duplicate Publication as Topic - Simultaneous or successive publishing of identical or near- identical material in two or more differ...

Dupuytren Contracture - A fibromatosis of the palmar fascia characterized by thickening and contracture of the fibrous bands...

Dura Mater - The outermost of the three MENINGES, a fibrous membrane of connective tissue that covers the brain a...

Durable Medical Equipment - Devices which are very resistant to wear and may be used over a long period of time. They include it...

Durapatite - The mineral component of bones and teeth; it has been used therapeutically as a prosthetic aid and i...

Dust - Earth or other matter in fine, dry particles. (Random House Unabridged Dictionary, 2d ed)...

Duty to Recontact - The ethical and/or legal obligation of a health provider or researcher to communicate with a former ...

Duty to Warn - A health professional's obligation to breach patient CONFIDENTIALITY to warn third parties of the da...

Dwarfism - A genetic or pathological condition that is characterized by short stature and undersize. Abnormal s...

Dwarfism, Pituitary - A form of dwarfism caused by complete or partial GROWTH HORMONE deficiency, resulting from either th...

D-Xylulose Reductase - An enzyme that plays a role in the PENTOSES and GLUCURONATES interconversion pathway by catalyzing t...

Dydrogesterone - A synthetic progestational hormone with no androgenic or estrogenic properties. Unlike many other pr...

Dye Dilution Technique - Method for assessing flow through a system by injection of a known quantity of dye into the system a...

Dynamin I - A subtype of dynamin found primarily in the NEURONS of the brain....

Dynamin II - A subtype of dynamin found ubiquitously expressed in a variety of tissues....

Dynamin III - A subtype of dynamin found expressed exclusively in the testis, lung and brain....

Dynamins - A family of high molecular weight GTP phosphohydrolases that play a direct role in vesicle transport...

Dyneins - A family of multisubunit cytoskeletal motor proteins that use the energy of ATP hydrolysis to power ...

Dynorphins - A class of opioid peptides including dynorphin A, dynorphin B, and smaller fragments of these peptid...

Dyphylline - A THEOPHYLLINE derivative with broncho- and vasodilator properties. It is used in the treatment of a...

Dysarthria - Disorders of speech articulation caused by imperfect coordination of pharynx, larynx, tongue, or fac...

Dysautonomia, Familial - An autosomal disorder of the peripheral and autonomic nervous systems limited to individuals of Ashk...

Dysentery - Acute inflammation of the intestine associated with infectious DIARRHEA of various etiologies, gener...

Dysentery, Amebic - DYSENTERY caused by intestinal amebic infection, chiefly with ENTAMOEBA HISTOLYTICA. This condition ...

Dysentery, Bacillary - DYSENTERY caused by gram-negative rod-shaped enteric bacteria (ENTEROBACTERIACEAE), most often by th...

Dysgammaglobulinemia - An immunologic deficiency state characterized by selective deficiencies of one or more, but not all,...

Dysgerminoma - A malignant ovarian neoplasm, thought to be derived from primordial germ cells of the sexually undif...

Dysgeusia - A condition characterized by alterations of the sense of taste which may range from mild to severe, ...

Dysidea - A genus of SPONGES in the family Dysideidae, in which all skeletal fibers are filled with detritus....

Dyskeratosis Congenita - A predominantly X-linked recessive syndrome characterized by a triad of reticular skin pigmentation,...

Dyskinesia, Drug-Induced - Abnormal movements, including HYPERKINESIS; HYPOKINESIA; TREMOR; and DYSTONIA, associated with the u...

Dyskinesias - Abnormal involuntary movements which primarily affect the extremities, trunk, or jaw that occur as a...

Dyslexia - A cognitive disorder characterized by an impaired ability to comprehend written and printed words or...

Dyslexia, Acquired - A receptive visual aphasia characterized by the loss of a previously possessed ability to comprehend...

Dyslipidemias - Abnormalities in the serum levels of LIPIDS, including overproduction or deficiency. Abnormal serum ...

Dysmenorrhea - Painful menstruation....

Dysostoses - Defective bone formation involving individual bones, singly or in combination....

Dyspareunia - Recurrent genital pain occurring during, before, or after SEXUAL INTERCOURSE in either the male or t...

Dyspepsia - Impaired digestion, especially after eating....

Dysphonia - Difficulty and/or pain in PHONATION or speaking....

Dysplastic Nevus Syndrome - Clinically atypical nevi (usually exceeding 5 mm in diameter and having variable pigmentation and il...

Dyspnea - Difficult or labored breathing....

Dyspnea, Paroxysmal - A disorder characterized by sudden attacks of respiratory distress in at rest patients with HEART FA...

Dysprosium - Dysprosium. An element of the rare earth family that has the atomic symbol Dy, atomic number 66, and...

Dyssomnias - A broad category of sleep disorders characterized by either hypersomnolence or insomnia. The three m...

Dysthymic Disorder - Chronically depressed mood that occurs for most of the day more days than not for at least 2 years. ...

Dystocia - Slow or difficult OBSTETRIC LABOR or CHILDBIRTH....

Dystonia - An attitude or posture due to the co-contraction of agonists and antagonist muscles in one region of...

Dystonia Musculorum Deformans - A condition characterized by focal DYSTONIA that progresses to involuntary spasmodic contractions of...

Dystonic Disorders - Acquired and inherited conditions that feature DYSTONIA as a primary manifestation of disease. These...

Dystroglycans - Dystrophin-associated proteins that play role in the formation of a transmembrane link between lamin...

Dystrophin - A muscle protein localized in surface membranes which is the product of the Duchenne/Becker muscular...

Dystrophin-Associated Protein Complex - A macromolecular complex of proteins that includes DYSTROPHIN and DYSTROPHIN-ASSOCIATED PROTEINS. It...

Dystrophin-Associated Proteins - A group of proteins that associate with DYSTROPHIN at the CELL MEMBRANE to form the DYSTROPHIN-ASSOC...

Dysuria - Painful URINATION. It is often associated with infections of the lower URINARY TRACT....

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