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Health Terms starting with T

Common Health Terms | All Health Terms

2nd Letter:

- a C D e G h i N o r s u w y

T Cell Transcription Factor 1 - A TCF transcription factor that was originally identified as a DNA-binding protein that interacts wi...

T-2 Toxin - A potent mycotoxin produced in feedstuffs by several species of the genus FUSARIUM. It elicits a sev...

Tabebuia - A plant genus of the family BIGNONIACEAE that is a source of lapachol....

Tabernaemontana - A plant genus of the family APOCYNACEAE that contains bisindole alkaloids and IBOGAINE....

Tabes Dorsalis - Parenchymatous NEUROSYPHILIS marked by slowly progressive degeneration of the posterior columns, pos...

Tables - Presentations of nonstatistical data in tabular form....

Tablets - Solid dosage forms, of varying weight, size, and shape, which may be molded or compressed, and which...

Tablets, Enteric-Coated - Tablets coated with material that delays release of the medication until after they leave the stomac...

Taboo - Any negative tradition or behavior that is generally regarded as harmful to social welfare and forbi...

Tachycardia - Abnormally rapid heartbeat, usually with a HEART RATE above 100 beats per minute for adults. Tachyca...

Tachycardia, Atrioventricular Nodal Reentry - Abnormally rapid heartbeats caused by reentry of atrial impulse into the dual (fast and slow) pathwa...

Tachycardia, Ectopic Atrial - Abnormally rapid heartbeats originating from one or more automatic foci (nonsinus pacemakers) in the...

Tachycardia, Ectopic Junctional - A rare form of supraventricular tachycardia caused by automatic, not reentrant, conduction initiated...

Tachycardia, Paroxysmal - Abnormally rapid heartbeats with sudden onset and cessation....

Tachycardia, Reciprocating - Abnormally rapid heartbeats caused by reentrant conduction over the accessory pathways between the H...

Tachycardia, Sinoatrial Nodal Reentry - Abnormally rapid heartbeats caused by reentry circuit in or around the SINOATRIAL NODE. It is charac...

Tachycardia, Sinus - Simple rapid heartbeats caused by rapid discharge of impulses from the SINOATRIAL NODE, usually betw...

Tachycardia, Supraventricular - A generic expression for any tachycardia that originates above the BUNDLE OF HIS....

Tachycardia, Ventricular - An abnormally rapid ventricular rhythm usually in excess of 150 beats per minute. It is generated wi...

Tachykinins - A family of biologically active peptides sharing a common conserved C-terminal sequence, -Phe-X-Gly-...

Tachyphylaxis - Rapidly decreasing response to a drug or physiologically active agent after administration of a few ...

Tacrine - A cholinesterase inhibitor that crosses the blood-brain barrier. Tacrine has been used to counter th...

Tacrolimus - A macrolide isolated from the culture broth of a strain of Streptomyces tsukubaensis that has strong...

Tacrolimus Binding Protein 1A - A 12-KDa tacrolimus binding protein that is found associated with and may modulate the function of c...

Tacrolimus Binding Proteins - A family of immunophilin proteins that bind to the immunosuppressive drugs TACROLIMUS (also known as...

Taenia - A genus of large tapeworms....

Taenia saginata - Species of tapeworm in the genus TAENIA, that infects cattle. It is acquired by humans through the i...

Taenia solium - Species of tapeworm in the genus TAENIA, that infects swine. It is acquired by humans through the in...

Taeniasis - Infection with tapeworms of the genus Taenia....

Tagetes - A plant genus of the family ASTERACEAE. The common name of marigold is also used for CALENDULA....

Tai Ji - One of the MARTIAL ARTS and also a form of meditative exercise using methodically slow circular stre...

Takayasu Arteritis - A chronic inflammatory process that affects the AORTA and its primary branches, such as the brachioc...

Takifugu - A genus of pufferfish commonly used for research....

Takotsubo Cardiomyopathy - A transient left ventricular apical dysfunction or ballooning accompanied by electrocardiographic (E...

Talampicillin - An ester of AMPICILLIN which is readily hydrolysed on absorption to release ampicillin. It is well a...

Talaromyces - A fungal genus in the family Trichocomaceae, order EUROTIALES, characterized by loose hyphal fruitin...

Talc - Finely powdered native hydrous magnesium silicate. It is used as a dusting powder, either alone or w...

Talin - A 235-kDa cytoplasmic protein that is also found in platelets. It has been localized to regions of c...

Talus - The second largest of the TARSAL BONES. It articulates with the TIBIA and FIBULA to form the ANKLE ...

Tamaricaceae - A plant family of the order Violales, subclass Dilleniidae, class Magnoliopsida....

Tamarindus - A plant genus of the family FABACEAE known for its sour fruit....

Tamoxifen - One of the SELECTIVE ESTROGEN RECEPTOR MODULATORS with tissue-specific activities. Tamoxifen acts as...

Tampons, Surgical - Plugs or cylinders made of cotton, sponge, or other absorbent material. They are used in surgery to ...

Tamus - A plant genus of the DIOSCOREACEAE plant family....

Tanacetum - A plant genus of the family ASTERACEAE. Some species of the CHRYSANTHEMUM and the old Pyrethrum gene...

Tanacetum parthenium - An aromatic perennial plant species that has been used to treat migraines, arthritis, and as a febri...

Tandem Mass Spectrometry - A mass spectrometry technique using two (MS/MS) or more mass analyzers. With two in tandem, the prec...

Tandem Repeat Sequences - Copies of DNA sequences which lie adjacent to each other in the same orientation (direct tandem repe...

Tangier Disease - An autosomal recessively inherited disorder caused by mutation of ATP-BINDING CASSETTE TRANSPORTERS ...

Tankyrases - A group of telomere associated proteins that interact with TRF1 PROTEIN, contain ANKYRIN REPEATS and...

Tanning - A process of preserving animal hides by chemical treatment (using vegetable tannins, metallic sulfat...

Tannins - Polyphenolic compounds with molecular weights of around 500-3000 daltons and containing enough hydro...

Tantalum - Tantalum. A rare metallic element, atomic number 73, atomic weight 180.948, symbol Ta. It is a nonco...

Tanzania - A republic in eastern Africa, south of UGANDA and north of MOZAMBIQUE. Its capital is Dar es Salaam....

Tape Recording - Recording of information on magnetic or punched paper tape....

Taq Polymerase - A heat stable DNA-DIRECTED DNA POLYMERASE from the bacteria Thermus aquaticus. It is widely used for...

Taraxacum - A plant genus of the family ASTERACEAE. Members contain chicoric and chlorogenic acids and germacran...

Targeted Gene Repair - A technique which uses synthetic oligonucleotides to direct the cell's inherent DNA repair system to...

Tarlov Cysts - Perineurial cysts commonly found in the SACRAL REGION. They arise from the PERINEURIUM membrane with...

Tars - Viscous materials composed of complex, high-molecular-weight compounds derived from the distillation...

Tarsal Bones - The seven bones which form the tarsus - namely, CALCANEUS; TALUS; cuboid, navicular, and the interna...

Tarsal Joints - The articulations between the various TARSAL BONES. This does not include the ANKLE JOINT which cons...

Tarsal Tunnel Syndrome - Entrapment of the distal branches of the posterior TIBIAL NERVE (which divides into the medial plant...

Tarsii - An infraorder (or suborder) of small PRIMATES comprised of a single family and genus....

Tarsiidae - The single family of PRIMATES in the infraorder TARSII, suborder HAPLORHINI. It is comprised of one ...

Tarsus, Animal - The region in the hindlimb of a quadruped, corresponding to the human ANKLE....

Tartrazine - An anionic, hydrophilic azo dye with an orange-yellow color used in fabrics, foods and cosmetics, an...

Tar-Water - A cold infusion of tar in water, formerly regarded as a cure-all. (Webster, 3d ed)...

Task Performance and Analysis - The detailed examination of observable activity or behavior associated with the execution or complet...

Tasmania - An island south of Australia and the smallest state of the Commonwealth. Its capital is Hobart. It w...

Taste - The ability to detect chemicals through gustatory receptors in the mouth, including those on the TON...

Taste Buds - Small sensory organs which contain gustatory receptor cells, basal cells, and supporting cells. Tast...

Taste Disorders - Conditions characterized by an alteration in gustatory function or perception. Taste disorders are f...

Taste Perception - The process by which the nature and meaning of gustatory stimuli are recognized and interpreted by t...

Taste Threshold - The minimum concentration at which taste sensitivity to a particular substance or food can be percei...

tat Gene Products, Human Immunodeficiency Virus - Proteins encoded by the TAT GENES of the HUMAN IMMUNODEFICIENCY VIRUS....

TATA Box - A conserved A-T rich sequence which is contained in promoters for RNA polymerase II. The segment is ...

TATA Box Binding Protein-Like Proteins - A class of proteins related in structure and function to TATA-BOX BINDING PROTEIN that can take the ...

TATA-Binding Protein Associated Factors - Factors that associate with TATA-BOX BINDING PROTEIN. Many of them are components of TRANSCRIPTION F...

TATA-Box Binding Protein - A general transcription factor that plays a major role in the activation of eukaryotic genes transcr...

Tattooing - The indelible marking of TISSUES, primarily SKIN, by pricking it with NEEDLES to imbed various COLOR...

tau Proteins - Microtubule-associated proteins that are mainly expressed in neurons. Tau proteins constitute severa...

tau-Crystallins - A type of crystallin that has been found in the lens (LENS, CRYSTALLINE) of certain species of VERTE...

Tauopathies - Neurodegenerative disorders involving deposition of abnormal tau protein isoforms (TAU PROTEINS) in ...

Taurine - A conditionally essential nutrient, important during mammalian development. It is present in milk bu...

Taurochenodeoxycholic Acid - A bile salt formed in the liver by conjugation of chenodeoxycholate with taurine, usually as the sod...

Taurocholic Acid - The product of conjugation of cholic acid with taurine. Its sodium salt is the chief ingredient of t...

Taurodeoxycholic Acid - A bile salt formed in the liver by conjugation of deoxycholate with taurine, usually as the sodium s...

Taurolithocholic Acid - A bile salt formed in the liver from lithocholic acid conjugation with taurine, usually as the sodiu...

Tax Equity and Fiscal Responsibility Act - PL97-248. Title II of the Act specifies "provisions relating to savings in health and income securit...

Tax Exemption - Status not subject to taxation; as the income of a philanthropic organization. Tax-exempt organizati...

Taxaceae - A plant family of the order Taxales, class Pinopsida, division CONIFEROPHYTA....

Taxes - Governmental levies on property, inheritance, gifts, etc....

Taxodiaceae - The redwood plant family of the order Pinales, class Pinopsida, division CONIFEROPHYTA (Conifers)....

Taxodium - A plant genus of the family TAXODIACEAE. Members contain taxodione and taxodone, which are diterpeno...

Taxoids - A group of diterpenoid CYCLODECANES named for the taxanes that were discovered in the TAXUS tree. Th...

Taxus - Genus of coniferous yew trees or shrubs, several species of which have medicinal uses. Notable is th...

Taylorella - A genus of chemoorganotrophic, gram negative rods, in the family ALCALIGENACEAE. They are pathogenic...

Taylorella equigenitalis - A species of bacteria which is comprised of gram-negative rods which often approach a spherical shap...

Tay-Sachs Disease - An autosomal recessive neurodegenerative disorder characterized by the onset in infancy of an exagge...

Tay-Sachs Disease, AB Variant - A progressive neurodegenerative disorder that begins with muscle weakness, then progresses to startl...

T-Box Domain Proteins - Proteins containing a region of conserved sequence, about 200 amino acids long, which encodes a part...

T-Cell Antigen Receptor Specificity - The property of the T-CELL RECEPTOR which enables it to react with some antigens and not others. The...

TCF Transcription Factors - A family of DNA-binding proteins that are primarily expressed in T-LYMPHOCYTES. They interact with B...

t-Complex Genome Region - A 20 cM region of mouse chromosome 17 that is represented by a least two HAPLOTYPES. One of the hapl...

TDP-43 Proteinopathies - Diseases characterized by the presence of abnormally phosphorylated, ubiquitinated, and cleaved DNA-...

Tea - The infusion of leaves of CAMELLIA SINENSIS (formerly Thea sinensis) as a beverage, the familiar Ori...

Tea Tree Oil - Essential oil extracted from Melaleuca alternifolia (tea tree). It is used as a topical antimicrobia...

Teaching - The educational process of instructing....

Teaching Materials - Instructional materials used in teaching....

Teaching Rounds - Systematic discussions and teaching relating to patient care....

Tear Gases - Gases that irritate the eyes, throat, or skin. Severe lacrimation develops upon irritation of the ey...

Tears - The fluid secreted by the lacrimal glands. This fluid moistens the CONJUNCTIVA and CORNEA....

Technetium - The first artificially produced element and a radioactive fission product of URANIUM. Technetium has...

Technetium Compounds - Inorganic compounds that contain TECHNETIUM as an integral part of the molecule. Technetium 99m (m=m...

Technetium Tc 99m Aggregated Albumin - A gamma-emitting radionuclide imaging agent used for the diagnosis of diseases in many tissues, part...

Technetium Tc 99m Diethyl-iminodiacetic Acid - A nontoxic radiopharmaceutical that is used in the clinical evaluation of hepatobiliary disorders in...

Technetium Tc 99m Dimercaptosuccinic Acid - A nontoxic radiopharmaceutical that is used in the diagnostic imaging of the renal cortex....

Technetium Tc 99m Disofenin - A radiopharmaceutical used extensively in cholescintigraphy for the evaluation of hepatobiliary dise...

Technetium Tc 99m Exametazime - A gamma-emitting radionuclide imaging agent used in the evaluation of regional cerebral blood flow a...

Technetium Tc 99m Lidofenin - A nontoxic radiopharmaceutical that is used in the clinical evaluation of hepatobiliary disorders in...

Technetium Tc 99m Medronate - A gamma-emitting radionuclide imaging agent used primarily in skeletal scintigraphy. Because of its ...

Technetium Tc 99m Mertiatide - A technetium diagnostic aid used in renal function determination....

Technetium Tc 99m Pentetate - A technetium imaging agent used in renal scintigraphy, computed tomography, lung ventilation imaging...

Technetium Tc 99m Pyrophosphate - A radionuclide imaging agent used primarily in scintigraphy or tomography of the heart to evaluate t...

Technetium Tc 99m Sestamibi - A technetium imaging agent used to reveal blood-starved cardiac tissue during a heart attack....

Technetium Tc 99m Sulfur Colloid - A gamma-emitting radionuclide imaging agent used for the diagnosis of diseases in many tissues, part...

Technical Report - Work consisting of a formal report giving details of the investigation and results of a medical or o...

Technology - The application of scientific knowledge to practical purposes in any field. It includes methods, tec...

Technology Assessment, Biomedical - Evaluation of biomedical technology in relation to cost, efficacy, utilization, etc., and its future...

Technology Transfer - Spread and adoption of inventions and techniques from one geographic area to another, from one disci...

Technology, Dental - The field of dentistry involved in procedures for designing and constructing dental appliances. It i...

Technology, High-Cost - Advanced technology that is costly, requires highly skilled personnel, and is unique in its particul...

Technology, Medical - The specialty related to the performance of techniques in clinical pathology such as those in hemato...

Technology, Pharmaceutical - The application of scientific knowledge or technology to pharmacy and the pharmaceutical industry. I...

Technology, Radiologic - The application of scientific knowledge or technology to the field of radiology. The applications ce...

Tectiviridae - A family of lipid-containing bacteriophages with double capsids which infect both gram-negative and ...

Tectorial Membrane - A membrane, attached to the bony SPIRAL LAMINA, overlying and coupling with the hair cells of the OR...

Tectum Mesencephali - The dorsal portion or roof of the midbrain. It is composed of two pairs of bumps, the inferior and t...

Tegafur - Congener of FLUOROURACIL with comparable antineoplastic action. It has been suggested especially for...

Tegmentum Mesencephali - The portion of midbrain situated under the dorsal TECTUM MESENCEPHALI. The two ventrolateral cylindr...

Teichoic Acids - Bacterial polysaccharides that are rich in phosphodiester linkages. They are the major components of...

Teicoplanin - Glycopeptide antibiotic complex from Actinoplanes teichomyceticus active against gram-positive bacte...

Telangiectasia, Hereditary Hemorrhagic - An autosomal dominant vascular anomaly characterized by telangiectases of the skin and mucous membra...

Telangiectasis - Permanent dilation of preexisting blood vessels (CAPILLARIES; ARTERIOLES; VENULES) creating small fo...

Telecommunications - Transmission of information over distances via electronic means....

Telefacsimile - A telecommunication system combining the transmission of a document scanned at a transmitter, its re...

Telemedicine - Delivery of health services via remote telecommunications. This includes interactive consultative an...

Telemetry - Transmission of the readings of instruments to a remote location by means of wires, radio waves, or ...

Telencephalon - The anterior subdivision of the embryonic forebrain (prosencephalon) or the corresponding part of th...

Telenursing - Delivery of nursing services via remote telecommunications....

Telepathology - Transmission and interpretation of tissue specimens via remote telecommunication, generally for the ...

Telepathy - The knowledge or communication by one person with the mental processes of another through channels o...

Telephone - An instrument for reproducing sounds especially articulate speech at a distance. (Webster, 3rd ed)...

Teleradiology - The electronic transmission of radiological images from one location to another for the purposes of ...

Television - The transmission and reproduction of transient images of fixed or moving objects. An electronic syst...

Tellurium - Tellurium. An element that is a member of the chalcogen family. It has the atomic symbol Te, atomic ...

Telomerase - An essential ribonucleoprotein reverse transcriptase that adds telomeric DNA to the ends of eukaryot...

Telomere - A terminal section of a chromosome which has a specialized structure and which is involved in chromo...

Telomere-Binding Proteins - Proteins that specifically bind to TELOMERES. Proteins in this class include those that perform func...

Telomeric Repeat Binding Protein 1 - A ubiquitously expressed telomere-binding protein that is present at TELOMERES throughout the CELL C...

Telomeric Repeat Binding Protein 2 - A ubiquitously expressed telomere-binding protein that is present at TELOMERES throughout the cell c...

Telophase - The final phase of cell nucleus division following ANAPHASE, in which two daughter nuclei are formed...

Temazepam - A benzodiazepine that acts as a GAMMA-AMINOBUTYRIC ACID modulator and anti-anxiety agent....

Temefos - An organothiophosphate insecticide....

Temperament - Predisposition to react to one's environment in a certain way; usually refers to mood changes....

Temperance - Abstinence from alcohol....

Temperature - The property of objects that determines the direction of heat flow when they are placed in direct th...

Temperature Sense - The sensation of cold, heat, coolness, and warmth....

Templates, Genetic - Macromolecular molds for the synthesis of complementary macromolecules, as in DNA REPLICATION; GENET...

Temporal Arteries - Arteries arising from the external carotid or the maxillary artery and distributing to the temporal ...

Temporal Bone - Either of a pair of compound bones forming the lateral (left and right) surfaces and base of the sku...

Temporal Lobe - Lower lateral part of the cerebral hemisphere....

Temporal Muscle - A masticatory muscle whose action is closing the jaws; its posterior portion retracts the mandible....

Temporomandibular Joint - An articulation between the condyle of the mandible and the articular tubercle of the temporal bone....

Temporomandibular Joint Disk - A plate of fibrous tissue that divides the temporomandibular joint into an upper and lower cavity. T...

Temporomandibular Joint Disorders - A variety of conditions affecting the anatomic and functional characteristics of the temporomandibul...

Temporomandibular Joint Dysfunction Syndrome - A symptom complex consisting of pain, muscle tenderness, clicking in the joint, and limitation or al...

Tenascin - Hexameric extracellular matrix glycoprotein transiently expressed in many developing organs and ofte...

Tendinopathy - Clinical syndrome describing overuse tendon injuries characterized by a combination of PAIN, diffuse...

Tendon Entrapment - Narrowing or stenosis of a tendon's retinacular sheath. It occurs most often in the hand or wrist bu...

Tendon Injuries - Injuries to the fibrous cords of connective tissue which attach muscles to bones or other structures...

Tendon Transfer - Surgical procedure by which a tendon is incised at its insertion and placed at an anatomical site di...

Tendons - Fibrous bands or cords of CONNECTIVE TISSUE at the ends of SKELETAL MUSCLE FIBERS that serve to atta...

Tenebrio - A genus of beetles which infests grain products. Its larva is called mealworm....

Teniposide - A semisynthetic derivative of PODOPHYLLOTOXIN that exhibits antitumor activity. Teniposide inhibits ...

Tennis - A game played by two or four players with rackets and an elastic ball on a level court divided by a ...

Tennis Elbow - A condition characterized by pain in or near the lateral humeral epicondyle or in the forearm extens...

Tenodesis - Fixation of the end of a tendon to a bone, often by suturing....

Tenosynovitis - Inflammation of the synovial lining of a tendon sheath. Causes include trauma, tendon stress, bacter...

Tensile Strength - The maximum stress a material subjected to a stretching load can withstand without tearing. (McGraw-...

Tension-Type Headache - A common primary headache disorder, characterized by a dull, non-pulsatile, diffuse, band-like (or v...

Tensor Tympani - A short muscle that arises from the pharyngotympanic tube (EUSTACHIAN TUBE) and inserts into the han...

Tenuazonic Acid - 3-Acetyl-5-sec-butyl-4-hydroxy-3-pyrrolin-2-one. A metabolite found in a strain of the fungus Altern...

Tenuivirus - A genus of RNA plant viruses as yet unassigned to any family. Plant hosts are all in the family Poac...

Tephritidae - A large family of fruit flies in the order DIPTERA, comprising over 4,500 species in about 100 gener...

Tephrosia - A plant genus of the family FABACEAE that contains tephrorin, tephrosone, and C-prenylflavonoids....

Teprotide - A synthetic nonapeptide (Pyr-Trp-Pro-Arg-Pro-Gln-Ile-Pro-Pro) which is identical to the peptide from...

Terahertz Imaging - The visualization of internal structure using TERAHERTZ RADIATION technologies....

Terahertz Radiation - Non-ionizing electromagnetic energy in the frequency range of 100 gigahertz to 10 terahertz which sp...

Terahertz Spectroscopy - Spectrum analysis of absorbed or emitted TERAHERTZ RADIATION....

Teratocarcinoma - A malignant neoplasm consisting of elements of teratoma with those of embryonal carcinoma or chorioc...

Teratogens - An agent that causes the production of physical defects in the developing embryo....

Teratology - A branch of embryology for the study of congenital malformations and developmental abnormalities....

Teratoma - A true neoplasm composed of a number of different types of tissue, none of which is native to the ar...

Terbium - Terbium. An element of the rare earth family of metals. It has the atomic symbol Tb, atomic number 6...

Terbutaline - A selective beta-2 adrenergic agonist used as a bronchodilator and tocolytic....

Terfenadine - A selective histamine H1-receptor antagonist devoid of central nervous system depressant activity. T...

Teriparatide - A polypeptide that consists of the 1-34 amino-acid fragment of human PARATHYROID HORMONE, the biolog...

Term Birth - CHILDBIRTH at the end of a normal duration of PREGNANCY, between 37 to 40 weeks of gestation or abou...

Terminal Care - Medical and nursing care of patients in the terminal stage of an illness....

Terminal Repeat Sequences - Nucleotide sequences repeated on both the 5' and 3' ends of a sequence under consideration. For exam...

Terminalia - A plant genus of the family COMBRETACEAE. Members contain arjunin, an ellagitannin (TANNINS)....

Terminally Ill - Persons with an incurable or irreversible illness at the end stage that will result in death within ...

Terminator Regions, Genetic - DNA sequences recognized as signals to end GENETIC TRANSCRIPTION....

Terminology - Work consisting of lists of the technical terms or expressions used in a specific field. These lists...

Terminology as Topic - The terms, expressions, designations, or symbols used in a particular science, discipline, or specia...

Termitomyces - A paleotropical genus of fungi in the family Tricholomataceae. They are obligate symbionts of termit...

Ternary Complex Factors - A subclass of c-ets proto-oncogene proteins that were first described by their property of binding t...

Terpenes - A class of compounds composed of repeating 5-carbon units of HEMITERPENES....

Terphenyl Compounds - Compounds consisting of benzene rings linked to each other in either ortho, meta or para positions. ...

Territoriality - Behavior in defense of an area against another individual or individuals primarily of the same speci...

Terrorism - The use or threatened use of force or violence against persons or property in violation of criminal ...

tert-Butylhydroperoxide - A direct-acting oxidative stress-inducing agent used to examine the effects of oxidant stress on Ca(...

Tertiary Prevention - Measures aimed at providing appropriate supportive and rehabilitative services to minimize morbidity...

Teschovirus - A genus in the family PICORNAVIRIDAE that can cause polioencephalomyelitis in pigs. The type species...

Test Anxiety Scale - A self-reporting test consisting of items concerning fear and worry about taking tests and physiolog...

Testicular Diseases - Pathological processes of the TESTIS....

Testicular Hormones - Hormones produced in the testis....

Testicular Hydrocele - Accumulation of serous fluid between the layers of membrane (tunica vaginalis) covering the TESTIS i...

Testicular Neoplasms - Tumors or cancer of the TESTIS. Germ cell tumors (GERMINOMA) of the testis constitute 95% of all tes...

Testis - The male gonad containing two functional parts: the SEMINIFEROUS TUBULES for the production and tran...

Testolactone - An antineoplastic agent that is a derivative of progesterone and used to treat advanced breast cance...

Testosterone - A potent androgenic steroid and major product secreted by the LEYDIG CELLS of the TESTIS. Its produc...

Testosterone Congeners - Steroidal compounds related to TESTOSTERONE, the major mammalian male sex hormone. Testosterone cong...

Testosterone Propionate - An ester of TESTOSTERONE with a propionate substitution at the 17-beta position....

Tetanus - A disease caused by tetanospasmin, a powerful protein toxin produced by CLOSTRIDIUM TETANI. Tetanus ...

Tetanus Antitoxin - An antitoxin used for the treatment of TETANUS....

Tetanus Toxin - Protein synthesized by CLOSTRIDIUM TETANI as a single chain of ~150 kDa with 35% sequence identity t...

Tetany - A disorder characterized by muscle twitches, cramps, and carpopedal spasm, and when severe, laryngos...

Tetrabenazine - A drug formerly used as an antipsychotic and treatment of various movement disorders. Tetrabenazine ...

Tetracaine - A potent local anesthetic of the ester type used for surface and spinal anesthesia....

Tetrachlorodibenzodioxin - A chemical by-product that results from burning or incinerating chlorinated industrial chemicals and...

Tetrachloroethylene - A chlorinated hydrocarbon used as an industrial solvent and cooling liquid in electrical transformer...

Tetrachlorvinphos - An organophosphate cholinesterase inhibitor that is used as an insecticide. It has low mammalian tox...

Tetracycline - A naphthacene antibiotic that inhibits AMINO ACYL TRNA binding during protein synthesis....

Tetracycline Resistance - Nonsusceptibility of bacteria to the action of TETRACYCLINE which inhibits aminoacyl-tRNA binding to...

Tetracyclines - Closely congeneric derivatives of the polycyclic naphthacenecarboxamide. (Gilman et al., Goodman and...

Tetradecanoylphorbol Acetate - A phorbol ester found in CROTON OIL with very effective tumor promoting activity. It stimulates the ...

Tetraethyl Lead - A highly toxic compound used as a gasoline additive. It causes acute toxic psychosis or chronic pois...

Tetraethylammonium - A potassium-selective ion channel blocker. (From J Gen Phys 1994;104(1):173-90)...

Tetragastrin - L-Tryptophyl-L-methionyl-L-aspartyl-L-phenylalaninamide. The C-terminal tetrapeptide of gastrin. It ...

Tetrahydrocannabinol - A psychoactive compound extracted from the resin of Cannabis sativa (marihuana, hashish). The isomer...

Tetrahydrofolate Dehydrogenase - An enzyme of the oxidoreductase class that catalyzes the reaction 7,8-dihyrofolate and NADPH to yiel...

Tetrahydrofolates - Compounds based on 5,6,7,8-tetrahydrofolate....

Tetrahydroisoquinolines - A group of ISOQUINOLINES in which the nitrogen containing ring is protonated. They derive from the n...

Tetrahydronaphthalenes - Partially saturated 1,2,3,4-tetrahydronaphthalene compounds....

Tetrahydropapaveroline - A leukomaine (animal alkaloid) formed in brain and liver from dopamine and L-dopa; it may be implica...

Tetrahydrouridine - An inhibitor of nucleotide metabolism....

Tetrahymena - A genus of ciliate protozoa commonly used in genetic, cytological, and other research....

Tetrahymena pyriformis - A species of ciliate protozoa used extensively in genetic research....

Tetrahymena thermophila - A species of ciliate protozoa used in genetic and cytological research....

Tetrahymenina - A suborder of ciliate protozoa. Most organisms are free-living in fresh water and many species are u...

Tetraisopropylpyrophosphamide - N,N',N'',N'''-Tetraisopropylpyrophosphamide. A specific inhibitor of pseudocholinesterases. It is co...

Tetralogy of Fallot - A combination of congenital heart defects consisting of four key features including VENTRICULAR SEPT...

Tetralones - A group of TETRAHYDRONAPHTHALENES containing a keto oxygen....

Tetramethylphenylenediamine - Used in the form of the hydrochloride as a reagent in ANALYTICAL CHEMISTRY TECHNIQUES....

Tetranitromethane - Corrosive oxidant, explosive; additive to diesel and rocket fuels; causes skin and lung irritation; ...

Tetranychidae - Family of spider MITES, in the superfamily Tetranychoidea, suborder Trombidiformes....

Tetraodontiformes - A small order of primarily marine fish containing 340 species. Most have a rotund or box-like shape....

Tetraoxanes - Compounds with two peroxide groups, that is, two pairs of adjacent OXYGEN atoms. They may have activ...

Tetraphenylborate - An anionic compound that is used as a reagent for determination of potassium, ammonium, rubidium, an...

Tetrapleura - A plant genus of the family FABACEAE. Members contain molluscicidal triterpene glycosides (TRITERPEN...

Tetrapyrroles - Four PYRROLES joined by one-carbon units linking position 2 of one to position 5 of the next. The co...

Tetrathionic Acid - A sulfuric acid dimer, formed by disulfide linkage. This compound has been used to prolong coagulati...

Tetrazolium Salts - Quaternary salts derived from tetrazoles. They are used in tests to distinguish between reducing sug...

Tetrodotoxin - An aminoperhydroquinazoline poison found mainly in the liver and ovaries of fishes in the order TETR...

Teucrium - A plant genus of the family LAMIACEAE. Members contain teuscordonin. There have been reports of hepa...

Textbooks - Books intended for use in the study of specific subjects, containing systematic presentation of the ...

Textbooks as Topic - Books used in the study of a subject that contain a systematic presentation of the principles and vo...

Textile Industry - The aggregate business enterprise of manufacturing textiles. (From Random House Unabridged Dictionar...

TGF-beta Superfamily Proteins - A large family of cell regulatory proteins which are structurally related to TRANSFORMING GROWTH FAC...

Th1 Cells - Subset of helper-inducer T-lymphocytes which synthesize and secrete interleukin-2, gamma-interferon,...

Th2 Cells - Subset of helper-inducer T-lymphocytes which synthesize and secrete the interleukins IL-4, IL-5, IL-...

Thalamic Diseases - Disorders of the centrally located thalamus, which integrates a wide range of cortical and subcortic...

Thalamic Nuclei - Several groups of nuclei in the thalamus that serve as the major relay centers for sensory impulses ...

Thalamus - Paired bodies containing mostly gray substance and forming part of the lateral wall of the third ven...

Thalassemia - A group of hereditary hemolytic anemias in which there is decreased synthesis of one or more hemoglo...

Thalictrum - A plant genus of the family RANUNCULACEAE. Members contain isoquinoline alkaloids and triterpene gly...

Thalidomide - A piperidinyl isoindole originally introduced as a non-barbiturate hypnotic, but withdrawn from the ...

Thallium - A heavy, soft, bluish white metal, atomic number 81, atomic weight 204.37, symbol Tl. (From Dorland,...

Thallium Radioisotopes - Unstable isotopes of thallium that decay or disintegrate emitting radiation. Tl atoms with atomic we...

Thanatology - The study of the theory, philosophy, and doctrine of death....

Thanatophoric Dysplasia - A severe form of neonatal dwarfism with very short limbs. All cases have died at birth or later in t...

Thapsia - A plant genus of the family APIACEAE. Members contain THAPSIGARGIN and other guaianolides (SESQUITER...

Thapsigargin - A sesquiterpene lactone found in roots of THAPSIA. It inhibits CA(2+)-TRANSPORTING ATPASE mediated u...

Thauera - A genus of gram-negative, rod-shaped bacteria able to anaerobically oxidize and degrade toluene....

Theaceae - A plant family of the order THEALES, subclass Dilleniidae, class Magnoliopsida, best known for CAMEL...

Theales - A plant order of the subclass Dilleniidae, class Magnoliopsida. It includes 18 families, approximate...

Thebaine - A drug that is derived from opium, which contains from 0.3-1.5% thebaine depending on its origin. It...

Theca Cells - The flattened stroma cells forming a sheath or theca outside the basal lamina lining the mature OVAR...

Thecoma - A gonadal stromal neoplasm composed only of THECA CELLS, occurring mostly in the postmenopausal OVAR...

Theft - Unlawful act of taking property....

Theileria - A genus of tick-borne protozoa parasitic in the lymphocytes, erythrocytes, and endothelial cells of ...

Theileria annulata - A protozoan parasite causing tropical theileriasis in cattle. It is transmitted by ticks of the Hyal...

Theileria parva - A protozoan parasite that is the etiologic agent of East Coast fever (THEILERIASIS). Transmission is...

Theileriasis - Infection of cattle, sheep, or goats with protozoa of the genus THEILERIA. This infection results in...

Theilovirus - A species of CARDIOVIRUS which contains three strains: Theiler's murine encephalomyelitis virus, Vil...

Thelazioidea - A superfamily of parasitic nematodes which includes three genera: Thelazia, Spirocerca, and GNATHOST...

Thelohania - A genus of FUNGI, in the family Thelohaniidae, a parasite of red imported fire ants, MOSQUITOES, and...

Thematic Apperception Test - A projective technique which focuses primarily on the dynamics of interpersonal relationships. It co...

Thenoyltrifluoroacetone - Chelating agent and inhibitor of cellular respiration....

Theobromine - 3,7-Dimethylxanthine. The principle alkaloid in Theobroma cacao (the cacao bean) and other plants. A...

Theology - The study of religion and religious belief, or a particular system or school of religious beliefs an...

Theonella - A genus of shallow-cupped SPONGES with a broad base in the family Theonellidae. They are characteriz...

Theophylline - A methyl xanthine derivative from tea with diuretic, smooth muscle relaxant, bronchial dilation, car...

Theory of Mind - The ability to attribute mental states (e.g., beliefs, desires, feelings, intentions, thoughts, etc....

Therapeutic Community - Psychotherapeutic technique which emphasizes socioenvironmental and interpersonal influences in the ...

Therapeutic Equipoise - Expectation of real uncertainty on the part of the investigator regarding the comparative therapeuti...

Therapeutic Equivalency - The relative equivalency in the efficacy of different modes of treatment of a disease, most often us...

Therapeutic Human Experimentation - Human experimentation that is intended to benefit the subjects on whom it is performed....

Therapeutic Misconception - Misunderstanding among individuals, frequently research subjects, of scientific methods such as rand...

Therapeutic Touch - Placing of the hands of the healer upon the person to be cured with the intent of spiritual energet...

Therapeutic Uses - Uses of chemicals which affect the course of conditions, diseases, syndromes or pathology to benefit...

Therapeutics - Procedures concerned with the remedial treatment or prevention of diseases....

Therapies, Investigational - Treatments which are undergoing clinical trials or for which there is insufficient evidence to deter...

Therapy, Computer-Assisted - Computer systems utilized as adjuncts in the treatment of disease....

Thermal Conductivity - The heat flow across a surface per unit area per unit time, divided by the negative of the rate of c...

Thermal Diffusion - The movement of molecules from one location to another as effected by temperature changes....

Thermoactinomyces - A genus of gram-positive bacteria in the family Thermoactinomycetaceae, that can cause FARMER'S LUNG...

Thermoanaerobacter - A genus of gram-positive, anaerobic bacteria in the family Thermoanaerobacteriaceae. Cultures consis...

Thermoanaerobacterium - A genus of gram-negative, anaerobic bacteria in the family Thermoanaerobacteriaceae. They are thermo...

Thermoascus - A genus of thermophilic, ascomycetous fungi in the family Trichocomaceae, order EUROTIALES. Anamorph...

Thermococcaceae - A family of anaerobic THERMOCOCCALES found in hot environments. There are two genera: PYROCOCCUS and...

Thermococcales - An order of strictly anaerobic, thermophilic archaea, in the kingdom EURYARCHAEOTA. Members exhibit ...

Thermococcus - A genus of extremely thermophilic heterotrophic archaea, in the family THERMOCOCCACEAE, occurring in...

Thermodilution - Measurement of blood flow based on induction at one point of the circulation of a known change in th...

Thermodynamics - A rigorously mathematical analysis of energy relationships (heat, work, temperature, and equilibrium...

Thermofilaceae - A family of THERMOPROTEALES consisting of anaerobic, thermoacidophilic thin rods found in solfataric...

Thermogenesis - The generation of heat in order to maintain body temperature. The uncoupled oxidation of fatty acids...

Thermography - Measurement of the regional temperature of the body or an organ by infrared sensing devices, based o...

Thermogravimetry - Technique whereby the weight of a sample can be followed over a period of time while its temperature...

Thermoluminescent Dosimetry - The use of a device composed of thermoluminescent material for measuring exposure to IONIZING RADIAT...

Thermolysin - A thermostable extracellular metalloendopeptidase containing four calcium ions. (Enzyme Nomenclature...

Thermometers - Measuring instruments for determining the temperature of matter. Most thermometers used in the field...

Thermoplasma - A genus of facultatively anaerobic heterotrophic archaea, in the order THERMOPLASMALES, isolated fro...

Thermoplasmales - An order of aerobic, thermophilic archaea, in the kingdom EURYARCHAEOTA, characterized by the absenc...

Thermoproteaceae - A family of THERMOPROTEALES consisting of variable length rigid rods without septa. They grow either...

Thermoproteales - An order of CRENARCHAEOTA comprised of rod, disc, or spherical shaped, nonseptate, anaerobic, extrem...

Thermoproteus - A genus of obligately anaerobic ARCHAEA, in the family THERMOPROTEACEAE. They are found in acidic ho...

Thermoreceptors - Cellular receptors which mediate the sense of temperature. Thermoreceptors in vertebrates are mostly...

Thermosomes - Group II chaperonins found in species of ARCHAEA....

Thermotoga maritima - A rod-shaped bacterium surrounded by a sheath-like structure which protrudes balloon-like beyond the...

Thermotoga neapolitana - A species of extremophilic bacteria in the family Thermotogaceae. Generally anaerobic but in the pre...

Thermus - Gram-negative aerobic rods found in warm water (40-79 degrees C) such as hot springs, hot water tank...

Thermus thermophilus - A species of gram-negative, aerobic, rod-shaped bacteria found in hot springs of neutral to alkaline...

Theropithecus - A genus of Old World monkeys of the subfamily CERCOPITHECINAE, family CERCOPITHECIDAE, that inhabits...

Theta Rhythm - One of four types of brain waves, characterized by a frequency of 4-7 Hz, usually observed in the te...

Thevetia - A plant genus of the family APOCYNACEAE. Members contain thevetin....

Thiabendazole - 2-Substituted benzimidazole first introduced in 1962. It is active against a variety of nematodes an...

Thiamin Pyrophosphokinase - An enzyme that catalyzes the formation of thiamine pyrophosphate from ATP and thiamine. EC 2.7.6.2....

Thiamine - 3-((4-Amino-2-methyl-5-pyrimidinyl)methyl)-5-(2- hydroxyethyl)-4-methylthiazolium chloride....

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

Thiamine Monophosphate - Thiamine dihydrogen phosphate ester. The monophosphate ester of thiamine. Synonyms: monophosphothiam...

Thiamine Pyrophosphatase - An enzyme that hydrolyzes thiamine pyrophosphate to thiamine monophosphate plus inorganic phosphate....

Thiamine Pyrophosphate - The coenzyme form of Vitamin B1 present in many animal tissues. It is a required intermediate in the...

Thiamine Triphosphate - 3-((4-Amino-2-methyl-5-pyrimidinyl)methyl)-4-methyl-5-(4,6,8,8-tetrahydroxy-3,5,7-trioxa-4,6,8-triph...

Thiamin-Triphosphatase - An enzyme present in nerve tissue. It catalyzes reversibly the formation of thiamine diphosphate and...

Thiamphenicol - A methylsulfonyl analog of CHLORAMPHENICOL. It is an antibiotic and immunosuppressive agent....

Thiamylal - A barbiturate that is administered intravenously for the production of complete anesthesia of short ...

Thiazides - Heterocyclic compounds with SULFUR and NITROGEN in the ring. This term commonly refers to the BENZOT...

Thiazolidinediones - THIAZOLES with two keto oxygens. Members are insulin-sensitizing agents which overcome INSULIN RESIS...

Thiazolidines - Reduced (protonated) form of THIAZOLES. They can be oxidized to THIAZOLIDINEDIONES....

Thienamycins - Beta-lactam antibiotics that differ from PENICILLINS in having the thiazolidine sulfur atom replaced...

Thiethylperazine - A dopamine antagonist that is particularly useful in treating the nausea and vomiting associated wit...

Thimerosal - An ethylmercury-sulfidobenzoate that has been used as a preservative in VACCINES; ANTIVENINS; and OI...

Thinking - Mental activity, not predominantly perceptual, by which one apprehends some aspect of an object or s...

Thinness - A state of insufficient flesh on the body usually defined as having a body weight less than skeletal...

Thioacetamide - A crystalline compound used as a laboratory reagent in place of HYDROGEN SULFIDE. It is a potent hep...

Thioacetazone - A thiosemicarbazone that is used in association with other antimycobacterial agents in the initial a...

Thioamides - Organic compounds containing the radical -CSNH2....

Thiobacillus - A genus of gram-negative, rod-shaped bacteria that derives energy from the oxidation of one or more ...

Thiobarbiturates - Compounds in which one or more of the ketone groups on the pyrimidine ring of barbituric acid are re...

Thiobarbituric Acid Reactive Substances - Low-molecular-weight end products, probably malondialdehyde, that are formed during the decompositio...

Thiocapsa - A genus of anoxygenic, photosynthetic, nonmotile, spherical to slightly ovoid bacterial cells occurr...

Thiocapsa roseopersicina - A species of THIOCAPSA which is facultatively aerobic and chemotrophic and which can utilize thiosul...

Thiocarbamates - Carbamates in which the -CO- group has been replaced by a -CS- group....

Thiocholine - A mercaptocholine used as a reagent for the determination of CHOLINESTERASES. It also serves as a hi...

Thioctic Acid - An octanoic acid bridged with two sulfurs so that it is sometimes also called a pentanoic acid in so...

Thiocyanates - Organic derivatives of thiocyanic acid which contain the general formula R-SCN....

Thiogalactosides - Galactosides in which the oxygen atom linking the sugar and aglycone is replaced by a sulfur atom....

Thioglycolates - Organic esters of thioglycolic acid (HS-CH2COOH)....

Thioguanine - An antineoplastic compound which also has antimetabolite action. The drug is used in the therapy of ...

Thioinosine - Sulfhydryl analog of INOSINE that inhibits nucleoside transport across erythrocyte plasma membranes,...

Thionins - Antimicrobial peptides of 45-47 amino acids and typically with four disulfide bridges. They are foun...

Thionucleosides - Nucleosides in which the base moiety is substituted with one or more sulfur atoms....

Thionucleotides - Nucleotides in which the base moiety is substituted with one or more sulfur atoms....

Thiopental - A barbiturate that is administered intravenously for the induction of general anesthesia or for the ...

Thiophanate - Nematocide used in livestock; also has fungicidal properties....

Thiopronine - Sulfhydryl acylated derivative of GLYCINE....

Thioredoxin h - A thioredoxin subtype that is ubiquitously found in the plant kingdom. It reduces a variety of seed...

Thioredoxin Reductase 1 - A subtype of thioredoxin reductase found primarily in the CYTOSOL....

Thioredoxin Reductase 2 - A subtype of thioredoxin reductase found primarily in MITOCHONDRIA....

Thioredoxin-Disulfide Reductase - A FLAVOPROTEIN enzyme that catalyzes the oxidation of THIOREDOXINS to thioredoxin disulfide in the p...

Thioredoxins - Hydrogen-donating proteins that participates in a variety of biochemical reactions including ribonuc...

Thioridazine - A phenothiazine antipsychotic used in the management of psychoses, including schizophrenia, and in t...

Thiorphan - A potent inhibitor of membrane metalloendopeptidase (ENKEPHALINASE). Thiorphan potentiates morphine-...

Thiostrepton - One of the CYCLIC PEPTIDES from Streptomyces that is active against gram-positive bacteria. In veter...

Thiosugars - Sugar analogs in which the ring oxygen is replaced by a sulfur....

Thiosulfate Sulfurtransferase - An enzyme that catalyzes the transfer of the planetary sulfur atom of thiosulfate ion to cyanide ion...

Thiosulfates - Inorganic salts of thiosulfuric acid possessing the general formula R2S2O3....

Thiosulfonic Acids - Inorganic or organic oxy acids of sulfur which contain the general formula RS2O2H....

Thiotepa - A very toxic alkylating antineoplastic agent also used as an insect sterilant. It causes skin, gastr...

Thiothixene - A thioxanthine used as an antipsychotic agent. Its effects are similar to the phenothiazine antipsyc...

Thiothrix - A genus of colorless, filamentous, rod-shaped bacteria in the family THIOTRICHACEAE, containing sulf...

Thiotrichaceae - A family of colorless sulfur bacteria in the order Thiotrichales, class GAMMAPROTEOBACTERIA....

Thiouracil - Occurs in seeds of Brassica and Crucifera species. Thiouracil has been used as antithyroid, coronary...

Thiourea - A photographic fixative used also in the manufacture of resins. According to the Fourth Annual Repo...

Thiouridine - A photoactivable URIDINE analog that is used as an affinity label....

Thioxanthenes - Compounds with three aromatic rings in linear arrangement with a SULFUR in the center ring....

Thiram - A dithiocarbamate chemical, used commercially in the rubber processing industry and as a fungicide. ...

Third Ventricle - A narrow cleft inferior to the corpus callosum, within the diencephalon, between the paired thalami....

Third-Party Consent - Informed consent given by someone other than the patient or research subject....

Thirst - A drive stemming from a physiological need for WATER....

Thlaspi - A plant genus of the family BRASSICACEAE that is grown in rock gardens. T. arvense is grown for its ...

Thogotovirus - A genus of the family ORTHOMYXOVIRIDAE comprising tick-borne viruses occasionally infecting humans. ...

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

Thoracic Cavity - The region of the thorax that includes the PLEURAL CAVITY and MEDIASTINUM....

Thoracic Diseases - Disorders affecting the organs of the thorax....

Thoracic Duct - The largest lymphatic vessel that passes through the chest and drains into the SUBCLAVIAN VEIN....

Thoracic Injuries - General or unspecified injuries to the chest area....

Thoracic Nerves - The twelve spinal nerves on each side of the thorax. They include eleven INTERCOSTAL NERVES and one ...

Thoracic Outlet Syndrome - A neurovascular syndrome associated with compression of the BRACHIAL PLEXUS; SUBCLAVIAN ARTERY; and ...

Thoracic Surgery - A surgical specialty concerned with diagnosis and treatment of disorders of the heart, lungs, and es...

Thoracic Surgery, Video-Assisted - Endoscopic surgery of the pleural cavity performed with visualization via video transmission....

Thoracic Surgical Procedures - Surgery performed on the thoracic organs, most commonly the lungs and the heart....

Thoracic Wall - The outer margins of the thorax containing SKIN, deep FASCIA; THORACIC VERTEBRAE; RIBS; STERNUM; and...

Thoracica - A superorder of marine CRUSTACEA, free swimming in the larval state, but permanently fixed as adults...

Thoracoplasty - Surgical removal of ribs, allowing the chest wall to move inward and collapse a diseased lung. (Dorl...

Thoracoscopes - Endoscopes for examining the pleural cavity....

Thoracoscopy - Endoscopic examination, therapy or surgery of the pleural cavity....

Thoracostomy - Surgical creation of an opening (stoma) into the chest cavity for drainage; used in the treatment of...

Thoracotomy - Surgical incision into the chest wall....

Thorax - The upper part of the trunk between the NECK and the ABDOMEN. It contains the chief organs of the ci...

Thorium - Thorium. A radioactive element of the actinide series of metals. It has an atomic symbol Th, atomic ...

Thorium Compounds - Inorganic compounds that contain thorium as an integral part of the molecule....

Thorium Dioxide - Thorium oxide (ThO2). A radiographic contrast agent that was used in the early 1930s through about 1...

Threonine - An essential amino acid occurring naturally in the L-form, which is the active form. It is found in ...

Threonine Dehydratase - A pyridoxal-phosphate protein that catalyzes the deamination of THREONINE to 2-ketobutyrate and AMMO...

Threonine-tRNA Ligase - An enzyme that activates threonine with its specific transfer RNA. EC 6.1.1.3....

Threshold Limit Values - Standards for limiting worker exposure to airborne contaminants. They are the maximum concentration ...

Thrombasthenia - A congenital bleeding disorder with prolonged bleeding time, absence of aggregation of platelets in ...

Thrombectomy - Surgical removal of an obstructing clot or foreign material from a blood vessel at the point of its ...

Thrombelastography - Use of a thrombelastograph, which provides a continuous graphic record of the physical shape of a cl...

Thrombin - An enzyme formed from PROTHROMBIN that converts FIBRINOGEN to FIBRIN....

Thrombin Time - Clotting time of PLASMA mixed with a THROMBIN solution. It is a measure of the conversion of FIBRINO...

Thromboangiitis Obliterans - A non-atherosclerotic, inflammatory thrombotic disease that commonly involves small and medium-sized...

Thrombocythemia, Essential - A clinical syndrome characterized by repeated spontaneous hemorrhages and a remarkable increase in t...

Thrombocytopenia - A subnormal level of BLOOD PLATELETS....

Thrombocytopenia, Neonatal Alloimmune - A condition in newborns caused by immunity of the mother to PLATELET ALLOANTIGENS on the fetal plate...

Thrombocytosis - Increased numbers of platelets in the peripheral blood. (Dorland, 27th ed)...

Thromboembolism - Obstruction of a blood vessel (embolism) by a blood clot (THROMBUS) in the blood stream....

Thrombolytic Therapy - Use of infusions of fibrinolytic agents to destroy or dissolve thrombi in blood vessels or bypass gr...

Thrombomodulin - A cell surface glycoprotein of endothelial cells that binds thrombin and serves as a cofactor in the...

Thrombophilia - A disorder of HEMOSTASIS in which there is a tendency for the occurrence of THROMBOSIS....

Thrombophlebitis - Inflammation of a vein associated with a blood clot (THROMBUS)....

Thromboplastin - Constituent composed of protein and phospholipid that is widely distributed in many tissues. It serv...

Thrombopoiesis - The process of generating thrombocytes (BLOOD PLATELETS) from the pluripotent HEMATOPOIETIC STEM CEL...

Thrombopoietin - A humoral factor that stimulates the production of thrombocytes (BLOOD PLATELETS). Thrombopoietin s...

Thrombosis - Formation and development of a thrombus or blood clot in the blood vessel....

Thrombospondin 1 - An extracellular matrix glycoprotein from platelets and a variety of normal and transformed cells of...

Thrombospondins - A family of related, adhesive glycoproteins which are synthesized, secreted, and incorporated into t...

Thrombotic Microangiopathies - Diseases that result in THROMBOSIS in MICROVASCULATURE. The two most prominent diseases are PURPURA,...

Thromboxane A2 - An unstable intermediate between the prostaglandin endoperoxides and thromboxane B2. The compound ha...

Thromboxane B2 - A stable, physiologically active compound formed in vivo from the prostaglandin endoperoxides. It is...

Thromboxane-A Synthase - An enzyme found predominantly in platelet microsomes. It catalyzes the conversion of PGG(2) and PGH(...

Thromboxanes - Physiologically active compounds found in many organs of the body. They are formed in vivo from the ...

Thuja - A plant genus of the family CUPRESSACEAE....

Thulium - Thulium. An element of the rare earth family of metals. It has the atomic symbol Tm, atomic number 6...

Thylakoids - Membranous cisternae of the CHLOROPLAST containing photosynthetic pigments, reaction centers, and th...

Thymectomy - Surgical removal of the thymus gland. (Dorland, 28th ed)...

Thymelaeaceae - A plant family of the order Myrtales, subclass Rosidae, class Magnoliopsida. They are mainly trees a...

Thymic Factor, Circulating - A thymus-dependent nonapeptide found in normal blood. Stimulates the formation of E rosettes and is ...

Thymidine Kinase - An enzyme that catalyzes the conversion of ATP and thymidine to ADP and thymidine 5'-phosphate. Deox...

Thymidine Monophosphate - 5-Thymidylic acid. A thymine nucleotide containing one phosphate group esterified to the deoxyribose...

Thymidine Phosphorylase - The enzyme catalyzing the transfer of 2-deoxy-D-ribose from thymidine to orthophosphate, thereby lib...

Thymidylate Synthase - An enzyme of the transferase class that catalyzes the reaction 5,10-methylenetetrahydrofolate and dU...

Thymine DNA Glycosylase - An enzyme that removes THYMINE and URACIL bases mispaired with GUANINE through hydrolysis of their N...

Thymine Nucleotides - Phosphate esters of THYMIDINE in N-glycosidic linkage with ribose or deoxyribose, as occurs in nucle...

Thymol - A phenol obtained from thyme oil or other volatile oils. It is used as a stabilizer in pharmaceutic ...

Thymolphthalein - Used as a pH indicator and as a reagent for blood after decolorizing the alkaline solution by boilin...

Thymoma - A neoplasm originating from thymic tissue, usually benign, and frequently encapsulated. Although it ...

Thymopentin - Synthetic pentapeptide corresponding to the amino acids 32-36 of thymopoietin and exhibiting the ful...

Thymopoietins - Two closely related polypeptides (molecular weight 7,000) isolated from the thymus gland. These horm...

Thymosin - Thymosin. A family of heat-stable, polypeptide hormones secreted by the thymus gland. Their biologic...

Thymus Extracts - Extracts of the thymus that contain specific, but uncharacterized factors or proteins with specific ...

Thymus Gland - A single, unpaired primary lymphoid organ situated in the MEDIASTINUM, extending superiorly into the...

Thymus Hormones - Humoral factors secreted by the thymus gland. They participate in the development of the lymphoid sy...

Thymus Hyperplasia - Enlargement of the thymus. A condition described in the late 1940's and 1950's as pathological thymi...

Thymus Neoplasms - Tumors or cancer of the THYMUS GLAND....

Thymus Plant - A plant genus of the family LAMIACEAE best known for the thyme spice added to foods....

Thyroglossal Cyst - A cyst in the neck caused by persistence of portions of, or by lack of closure of, the primitive thy...

Thyroid Cartilage - The largest cartilage of the larynx consisting of two laminae fusing anteriorly at an acute angle in...

Thyroid Crisis - A dangerous life-threatening hypermetabolic condition characterized by high FEVER and dysfunction of...

Thyroid Diseases - Pathological processes involving the THYROID GLAND....

Thyroid Dysgenesis - Defective development of the THYROID GLAND. This concept includes thyroid agenesis (aplasia), hypopl...

Thyroid Extract, Desiccated - A dehydrated extract of thyroid glands. After the removal of fat and connective tissue, the extract ...

Thyroid Gland - A highly vascularized endocrine gland consisting of two lobes joined by a thin band of tissue with o...

Thyroid Hormone Receptors alpha - High affinity receptors for THYROID HORMONES, especially TRIIODOTHYRONINE. These receptors are usual...

Thyroid Hormone Receptors beta - High affinity receptors for THYROID HORMONES, especially TRIIODOTHYRONINE. These receptors are usual...

Thyroid Hormone Resistance Syndrome - An inherited autosomal recessive trait, characterized by peripheral resistance to THYROID HORMONES a...

Thyroid Hormones - Natural hormones secreted by the THYROID GLAND, such as THYROXINE, and their synthetic analogs....

Thyroid Neoplasms - Tumors or cancer of the THYROID GLAND....

Thyroid Nodule - A small circumscribed mass in the THYROID GLAND that can be of neoplastic growth or non-neoplastic a...

Thyroidectomy - Surgical removal of the thyroid gland. (Dorland, 28th ed)...

Thyroiditis - Inflammatory diseases of the THYROID GLAND. Thyroiditis can be classified into acute (THYROIDITIS, S...

Thyroiditis, Autoimmune - Inflammatory disease of the THYROID GLAND due to autoimmune responses leading to lymphocytic infiltr...

Thyroiditis, Subacute - Spontaneously remitting inflammatory condition of the THYROID GLAND, characterized by FEVER; MUSCLE ...

Thyroiditis, Suppurative - Acute inflammatory disease of the THYROID GLAND due to infections by BACTERIA; FUNGI; or other micro...

Thyronines - A group of metabolites derived from THYROXINE and TRIIODOTHYRONINE via the peripheral enzymatic remo...

Thyrotoxicosis - A hypermetabolic syndrome caused by excess THYROID HORMONES which may come from endogenous or exogen...

Thyrotrophs - Anterior pituitary cells that produce THYROID-STIMULATING HORMONE....

Thyrotropin - A glycoprotein hormone secreted by the adenohypophysis (PITUITARY GLAND, ANTERIOR). Thyrotropin stim...

Thyrotropin Alfa - A highly purified recombinant glycoprotein form of human THYROID-STIMULATING HORMONE, produced by re...

Thyrotropin, beta Subunit - The beta subunit of thyroid stimulating hormone, thyrotropin. It is a 112-amino acid glycopolypeptid...

Thyrotropin-Releasing Hormone - A tripeptide that stimulates the release of THYROTROPIN and PROLACTIN. It is synthesized by the neur...

Thyroxine - The major hormone derived from the thyroid gland. Thyroxine is synthesized via the iodination of tyr...

Thyroxine-Binding Globulin - A thyroid hormone transport protein found in serum. It binds about 75% of circulating THYROXINE and ...

Thyroxine-Binding Proteins - Blood proteins that bind to THYROID HORMONES such as THYROXINE and transport them throughout the cir...

Tiapride - Benzamide derivative with dopamine antagonist actions similar to SULPIRIDE. It has been used as an a...

Tibet - A country of central Asia, nominally an autonomous region within Communist China. It first came unde...

Tibia - The second longest bone of the skeleton. It is located on the medial side of the lower leg, articula...

Tibial Arteries - The anterior and posterior arteries created at the bifurcation of the popliteal artery. The anterior...

Tibial Nerve - The medial terminal branch of the sciatic nerve. The tibial nerve fibers originate in lumbar and sac...

Tibial Neuropathy - Disease of the TIBIAL NERVE (also referred to as the posterior tibial nerve). The most commonly asso...

Tic Disorders - Disorders characterized by recurrent TICS that may interfere with speech and other activities. Tics ...

Ticarcillin - An antibiotic derived from penicillin similar to CARBENICILLIN in action....

Tick Control - Chemical, biological, or medical measures designed to prevent the spread of ticks or the concomitant...

Tick Infestations - Infestations with soft-bodied (Argasidae) or hard-bodied (Ixodidae) ticks....

Tick Paralysis - Paralysis caused by a neurotropic toxin secreted by the salivary glands of ticks....

Tick Toxicoses - Toxicoses caused by toxic substances secreted by the salivary glands of ticks; include tick paralysi...

Tick-Borne Diseases - Bacterial, viral, or parasitic diseases transmitted to humans and animals by the bite of infected ti...

Ticks - Blood-sucking acarid parasites of the order Ixodida comprising two families: the softbacked ticks (A...

Ticlopidine - Ticlopidine is an effective inhibitor of platelet aggregation. The drug has been found to significan...

Ticrynafen - A novel diuretic with uricosuric action. It has been proposed as an antihypertensive agent....

Tics - Habitual, repeated, rapid contraction of certain muscles, resulting in stereotyped individualized ac...

Tidal Volume - The volume of air inspired or expired during each normal, quiet respiratory cycle. Common abbreviati...

Tidal Waves - Water waves caused by the gravitational interactions between the EARTH; MOON; and SUN....

Tietze's Syndrome - Idiopathic painful nonsuppurative swellings of one or more costal cartilages, especially of the seco...

Tigers - The species Panthera tigris, a large feline inhabiting Asia. Several subspecies exist including the ...

Tight Junctions - Cell-cell junctions that seal adjacent epithelial cells together, preventing the passage of most dis...

Tilapia - A freshwater fish used as an experimental organism and for food. This genus of the family Cichlidae ...

Tiletamine - Proposed anesthetic with possible anticonvulsant and sedative properties....

Tilia - A plant genus of the family TILIACEAE. Some species in this genus are called Limetree which is nearl...

Tiliaceae - A plant family of the order Malvales, subclass Dilleniidae, class Magnoliopsida....

Tilidine - An opioid analgesic used similarly to MORPHINE in the control of moderate to severe pain. (From Mart...

Tillandsia - A plant genus of the family BROMELIACEAE. Members contain 3-methoxy-5-hydroxyflavonols....

Tilorone - An antiviral agent used as its hydrochloride. It is the first recognized synthetic, low-molecular-we...

Tilt-Table Test - A standard and widely accepted diagnostic test used to identify patients who have a vasodepressive a...

Time - The dimension of the physical universe which, at a given place, orders the sequence of events. (McGr...

Time and Motion Studies - The observation and analysis of movements in a task with an emphasis on the amount of time required ...

Time Factors - Elements of limited time intervals, contributing to particular results or situations....

Time Management - Planning and control of time to improve efficiency and effectiveness....

Time Perception - The ability to estimate periods of time lapsed or duration of time....

Timolol - A beta-adrenergic antagonist similar in action to PROPRANOLOL. The levo-isomer is the more active. T...

Tin - A trace element that is required in bone formation. It has the atomic symbol Sn, atomic number 50, a...

Tin Compounds - Inorganic compounds that contain tin as an integral part of the molecule....

Tin Fluorides - Inorganic fluorides of tin. They include both stannic fluoride (tin tetrafluoride) and stannous fluo...

Tin Polyphosphates - Poly or pyrophosphates of tin. In conjunction with radioactive technetium these compounds are used a...

Tin Radioisotopes - Unstable isotopes of tin that decay or disintegrate emitting radiation. Sn atoms with atomic weights...

Tinea - A general term describing various dermatophytoses. Specific types include TINEA CAPITIS (ringworm of...

Tinea Capitis - Ringworm of the scalp caused by species of Microsporum and Trichophyton, which may occasionally invo...

Tinea Favosa - A disease of the scalp that may affect the glabrous skin and the nails and is recognized by the conc...

Tinea Pedis - Dermatological pruritic lesion in the feet, caused by Trichophyton rubrum, T. mentagrophytes, or Epi...

Tinea Versicolor - A common chronic, noninflammatory and usually symptomless disorder, characterized by the occurrence ...

Tinidazole - A nitroimidazole antitrichomonal agent effective against Trichomonas vaginalis, Entamoeba histolytic...

Tinnitus - A nonspecific symptom of hearing disorder characterized by the sensation of buzzing, ringing, clicki...

Tinospora - A plant genus of the family MENISPERMACEAE. Members have been used in AYURVEDIC MEDICINE. Hypoglycem...

Tissue Adhesions - Pathological processes consisting of the union of the opposing surfaces of a wound....

Tissue Adhesives - Substances used to cause adherence of tissue to tissue or tissue to non-tissue surfaces, as for pros...

Tissue and Organ Harvesting - The procedure of removing TISSUES, organs, or specimens from DONORS for reuse, such as TRANSPLANTATI...

Tissue and Organ Procurement - The administrative procedures involved with acquiring TISSUES or organs for TRANSPLANTATION through ...

Tissue Array Analysis - The simultaneous analysis of multiple samples of TISSUES or CELLS from BIOPSY or in vitro culture th...

Tissue Banks - Centers for acquiring, characterizing, and storing organs or tissue for future use....

Tissue Conditioning (Dental) - The use of a treatment material (tissue conditioner) to re-establish tone and health to irritated or...

Tissue Culture Techniques - A technique for maintaining or growing TISSUE in vitro, usually by DIFFUSION, perifusion, or PERFUSI...

Tissue Distribution - Accumulation of a drug or chemical substance in various organs (including those not relevant to its ...

Tissue Donors - Individuals supplying living tissue, organs, cells, blood or blood components for transfer or transp...

Tissue Embedding - The technique of placing cells or tissue in a supporting medium so that thin sections can be cut usi...

Tissue Engineering - Generating tissue in vitro for clinical applications, such as replacing wounded tissues or impaired ...

Tissue Expansion - A procedure whereby the body is stimulated to generate extra soft tissue by the application of stret...

Tissue Expansion Devices - Devices used to generate extra soft tissue in vivo to be used in surgical reconstructions. They exer...

Tissue Extracts - Preparations made from animal tissues or organs (ANIMAL STRUCTURES). They usually contain many compo...

Tissue Fixation - The technique of using FIXATIVES in the preparation of cytologic, histologic, or pathologic specimen...

Tissue Inhibitor of Metalloproteinase-1 - A member of the family of TISSUE INHIBITOR OF METALLOPROTEINASES. It is a N-glycosylated protein, mo...

Tissue Inhibitor of Metalloproteinase-2 - A member of the family of TISSUE INHIBITOR OF METALLOPROTEINASES. It is a 21-kDa nonglycosylated pro...

Tissue Inhibitor of Metalloproteinase-3 - A member of the family of tissue inhibitor of metalloproteinases. Mutations of the gene for TIMP3 PR...

Tissue Inhibitor of Metalloproteinases - A family of secreted proteins (TIMP-1; TIMP-2; and TIMP-3) that play a crucial role in regulating th...

Tissue Kallikreins - A family of trypsin-like SERINE ENDOPEPTIDASES that are expressed in a variety of cell types includi...

Tissue Plasminogen Activator - A proteolytic enzyme in the serine protease family found in many tissues which converts PLASMINOGEN ...

Tissue Polypeptide Antigen - Serological tumor marker composed of a molecular complex of cytokeratins 8, 18, and 19. It is used i...

Tissue Preservation - The process by which a tissue or aggregate of cells is kept alive outside of the organism from which...

Tissue Scaffolds - Cell growth support structures composed of BIOCOMPATIBLE MATERIALS. They are specially designed soli...

Tissue Survival - The span of viability of a tissue or an organ....

Tissue Therapy - Historically, tissue transplantation, especially of refrigerated tissue (after Filatov). It was theo...

Tissue Transplantation - Transference of tissue within an individual, between individuals of the same species, or between ind...

Tissues - Collections of differentiated CELLS, such as EPITHELIUM; CONNECTIVE TISSUE; MUSCLES; and NERVE TISSU...

Titanium - A dark-gray, metallic element of widespread distribution but occurring in small amounts; atomic numb...

Titrimetry - The determination of the concentration of a given component in solution (the analyte) by addition of...

T-Lymphocyte Subsets - A classification of T-lymphocytes, especially into helper/inducer, suppressor/effector, and cytotoxi...

T-Lymphocytes - Lymphocytes responsible for cell-mediated immunity. Two types have been identified - cytotoxic (T-LY...

T-Lymphocytes, Cytotoxic - Immunized T-lymphocytes which can directly destroy appropriate target cells. These cytotoxic lymphoc...

T-Lymphocytes, Helper-Inducer - Subpopulation of CD4+ lymphocytes that cooperate with other lymphocytes (either T or B) to initiate ...

T-Lymphocytes, Regulatory - CD4-positive T cells that inhibit immunopathology or autoimmune disease in vivo. They inhibit the im...

T-Lymphocytopenia, Idiopathic CD4-Positive - Reproducible depletion of CD4+ lymphocytes below 300 per cubic millimeter in the absence of HIV infe...

TNF Receptor-Associated Death Domain Protein - A 34 kDa signal transducing adaptor protein that associates with TUMOR NECROSIS FACTOR RECEPTOR TYPE...

TNF Receptor-Associated Factor 1 - A signal transducing tumor necrosis factor receptor associated factor that is involved in TNF RECEPT...

TNF Receptor-Associated Factor 2 - A signal transducing tumor necrosis factor receptor associated factor that is involved in TNF RECEPT...

TNF Receptor-Associated Factor 3 - A signal transducing tumor necrosis factor receptor associated factor that is involved in regulation...

TNF Receptor-Associated Factor 4 - A widely expressed member of the TNF receptor-associated family that may play a role in neuronal dev...

TNF Receptor-Associated Factor 5 - A signal transducing tumor necrosis factor receptor associated factor that mediates signaling from C...

TNF Receptor-Associated Factor 6 - A signal transducing tumor necrosis factor receptor associated factor that is involved in regulation...

TNF-Related Apoptosis-Inducing Ligand - A transmembrane-protein belonging to the TNF family of intercellular signaling proteins. It is a wid...

Tobacco - A plant genus of the family SOLANACEAE. Members contain NICOTINE and other biologically active chemi...

Tobacco Industry - The aggregate business enterprise of agriculture, manufacture, and distribution related to tobacco a...

Tobacco mosaic satellite virus - A spherical RNA satellite virus which requires an obligatory helper TOBACCO MOSAIC VIRUS for replica...

Tobacco Mosaic Virus - The type species of TOBAMOVIRUS which causes mosaic disease of tobacco. Transmission occurs by mecha...

Tobacco necrosis satellite virus - An icosahedral RNA satellite virus which requires an obligatory Tobacco necrosis virus (see NECROVIR...

Tobacco Smoke Pollution - Contamination of the air by tobacco smoke....

Tobacco Use Cessation - Cessation of the habit of using tobacco products for smoking or chewing, including the use of snuff....

Tobacco Use Disorder - Tobacco used to the detriment of a person's health or social functioning. Tobacco dependence is incl...

Tobacco, Smokeless - The powdered leaves of Nicotiana tabacum which are either inhaled through the nose, chewed, or store...

Tobamovirus - A genus of plant viruses in which the virion is a rigid filament. Transmission is by mechanical inoc...

Tobramycin - An aminoglycoside, broad-spectrum antibiotic produced by Streptomyces tenebrarius. It is effective a...

Tocainide - An antiarrhythmic agent which exerts a potential- and frequency-dependent block of sodium channels....

Tocolysis - Any drug treatment modality designed to inhibit UTERINE CONTRACTION. It is used in pregnant women to...

Tocolytic Agents - Drugs that prevent preterm labor and immature birth by suppressing uterine contractions (TOCOLYSIS)....

Tocopherols - A collective name for a group of closely related lipids that contain substitutions on the 2H-1-benzo...

Tocotrienols - Natural analogs of TOCOPHEROLS exhibiting antioxidant activity. These tocol derivatives and isomers...

Todralazine - An antihypertensive agent with both central and peripheral action; it has some central nervous syste...

Toe Joint - The articulation between the head of one phalanx and the base of the one distal to it, in each toe....

Toe Phalanges - Bones that make up the SKELETON of the TOES, consisting of two for the great toe, and three for each...

Togaviridae - A family of RNA viruses, mainly arboviruses, consisting of two genera: ALPHAVIRUS (group A arbovirus...

Togaviridae Infections - Virus diseases caused by the TOGAVIRIDAE....

Togo - A republic in western Africa, lying between GHANA on its west and BENIN on its east. Its capital is ...

Toilet Facilities - Facilities provided for human excretion, often with accompanying handwashing facilities....

Toilet Training - Conditioning to defecate and urinate in culturally acceptable places....

Token Economy - A practice whereby tokens representing money, toys, candy, etc., are given as secondary reinforcers ...

Tolazamide - A sulphonylurea hypoglycemic agent with actions and uses similar to those of CHLORPROPAMIDE....

Tolazoline - A vasodilator that apparently has direct actions on blood vessels and also increases cardiac output....

Tolbutamide - A sulphonylurea hypoglycemic agent with actions and uses similar to those of CHLORPROPAMIDE. (From M...

Toll-Like Receptor 1 - A pattern recognition receptor that forms heterodimers with TOLL-LIKE RECEPTOR 2....

Toll-Like Receptor 10 - A pattern recognition receptor that is expressed in LUNG and in B-LYMPHOCYTES....

Toll-Like Receptor 2 - A pattern recognition receptor that forms heterodimers with other TOLL-LIKE RECEPTORS. It interacts ...

Toll-Like Receptor 3 - A pattern recognition receptor that binds DOUBLE-STRANDED RNA. It mediates cellular responses to cer...

Toll-Like Receptor 4 - A pattern recognition receptor that interacts with LYMPHOCYTE ANTIGEN 96 and LIPOPOLYSACCHARIDES. It...

Toll-Like Receptor 5 - A pattern recognition receptor that binds FLAGELLIN. It mediates cellular responses to certain bacte...

Toll-Like Receptor 6 - A pattern recognition receptor that forms heterodimers with TLR2 RECEPTOR. The complex interacts wit...

Toll-Like Receptor 7 - A pattern recognition receptor that binds several forms of imidazo-quinoline including the antiviral...

Toll-Like Receptor 8 - A pattern recognition receptor that recognizes GUANOSINE and URIDINE-rich single-stranded RNA....

Toll-Like Receptor 9 - A pattern recognition receptor that binds unmethylated CPG CLUSTERS. It mediates cellular responses ...

Toll-Like Receptors - A family of pattern recognition receptors characterized by an extracellular leucine-rich domain and ...

Tolloid-Like Metalloproteinases - A family of metalloproteases that are related to the DROSOPHILA protein tolloid, which is a gene pro...

Tolmetin - A non-steroidal anti-inflammatory agent (ANTI-INFLAMMATORY AGENTS, NON-STEROIDAL) similar in mode of...

Tolnaftate - A synthetic antifungal agent....

Tolonium Chloride - A phenothiazine that has been used as a hemostatic, a biological stain, and a dye for wool and silk....

Tolosa-Hunt Syndrome - An idiopathic syndrome characterized by the formation of granulation tissue in the anterior cavernou...

Tolperisone - A centrally acting muscle relaxant that has been used for the symptomatic treatment of spasticity an...

Toluene - A widely used industrial solvent....

Toluene 2,4-Diisocyanate - Skin irritant and allergen used in the manufacture of polyurethane foams and other elastomers....

Tomatine - An alkaloid that occurs in the extract of leaves of wild tomato plants. It has been found to inhibit...

Tombusviridae - A family of RNA plant viruses infecting dicotyledons. Transmission is mainly by mechanical inoculati...

Tombusvirus - A genus of plant viruses that infects ANGIOSPERMS. Transmission occurs mechanically and through soil...

Tomography - Imaging methods that result in sharp images of objects located on a chosen plane and blurred images ...

Tomography Scanners, X-Ray Computed - X-ray image-detecting devices that make a focused image of body structures lying in a predetermined ...

Tomography, Emission-Computed - Tomography using radioactive emissions from injected RADIONUCLIDES and computer ALGORITHMS to recons...

Tomography, Emission-Computed, Single-Photon - A method of computed tomography that uses radionuclides which emit a single photon of a given energy...

Tomography, Optical - Projection of near-IR light (INFRARED RAYS), in the 700-1000 nm region, across an object in parallel...

Tomography, Optical Coherence - An imaging method using LASERS that is used for mapping subsurface structure. When a reflective site...

Tomography, Spiral Computed - Computed tomography where there is continuous X-ray exposure to the patient while being transported ...

Tomography, X-Ray - Tomography using x-ray transmission....

Tomography, X-Ray Computed - Tomography using x-ray transmission and a computer algorithm to reconstruct the image....

Tonga - An archipelago in Polynesia in the southwest Pacific Ocean, comprising about 150 islands. It is a ki...

Tongue Habits - Acquired responses regularly manifested by tongue movement or positioning....

Tongue Neoplasms - Tumors or cancer of the TONGUE....

Tongue, Hairy - A benign condition of the tongue characterized by hypertrophy of the filiform papillae that give the...

Tonic Pupil - A pupillary abnormality characterized by a poor pupillary light reaction, reduced accommodation, iri...

Tonometry, Ocular - Measurement of ocular tension (INTRAOCULAR PRESSURE) with a tonometer. (Cline, et al., Dictionary of...

Tonsillar Neoplasms - Tumors or cancer of the PALATINE TONSIL....

Tonsillectomy - Surgical removal of a tonsil or tonsils. (Dorland, 28th ed)...

Tonsillitis - Inflammation of the tonsils, especially the PALATINE TONSILS but the ADENOIDS (pharyngeal tonsils) a...

Tool Use Behavior - Modifying, carrying, or manipulating an item external to itself by an animal, before using it to eff...

Tooth Abnormalities - Congenital absence of or defects in structures of the teeth....

Tooth Abrasion - The pathologic wearing away of the tooth substance by brushing, bruxism, clenching, and other mechan...

Tooth Ankylosis - Solid fixation of a tooth resulting from fusion of the cementum and alveolar bone, with obliteration...

Tooth Apex - The tip or terminal end of the root of a tooth. (Jablonski, Dictionary of Dentistry, 1992, p62)...

Tooth Attrition - The wearing away of a tooth as a result of tooth-to-tooth contact, as in mastication, occurring only...

Tooth Avulsion - Partial or complete displacement of a tooth from its alveolar support. It is commonly the result of ...

Tooth Bleaching - The use of a chemical oxidizing agent (sometimes in combination with heat) to lighten tooth discolor...

Tooth Calcification - The process whereby calcium salts are deposited in the dental enamel. The process is normal in the d...

Tooth Cervix - The constricted part of the tooth at the junction of the crown and root or roots. It is often referr...

Tooth Components - The anatomical components of a tooth, its tissues, and correlated parts....

Tooth Crown - The upper part of the tooth, which joins the lower part of the tooth (TOOTH ROOT) at the cervix (TOO...

Tooth Demineralization - A tooth's loss of minerals, such as calcium in hydroxyapatite from the tooth matrix, caused by acidi...

Tooth Discoloration - Any change in the hue, color, or translucency of a tooth due to any cause. Restorative filling mater...

Tooth Erosion - Progressive loss of the hard substance of a tooth by chemical processes that do not involve bacteria...

Tooth Eruption - The emergence of a tooth from within its follicle in the ALVEOLAR PROCESS of the MAXILLA or MANDIBLE...

Tooth Eruption, Ectopic - An abnormality in the direction of a TOOTH ERUPTION....

Tooth Exfoliation - Physiologic loss of the primary dentition. (Zwemer, Boucher's Clinical Dental Terminology, 4th ed)...

Tooth Extraction - The surgical removal of a tooth. (Dorland, 28th ed)...

Tooth Fractures - Break or rupture of a tooth or tooth root....

Tooth Germ - The collective tissues from which an entire tooth is formed, including the DENTAL SAC; ENAMEL ORGAN;...

Tooth Injuries - Traumatic or other damage to teeth including fractures (TOOTH FRACTURES) or displacements (TOOTH LUX...

Tooth Loss - The failure to retain teeth as a result of disease or injury....

Tooth Migration - The movement of teeth into altered positions in relationship to the basal bone of the ALVEOLAR PROCE...

Tooth Mobility - Horizontal and, to a lesser degree, axial movement of a tooth in response to normal forces, as in oc...

Tooth Movement - Orthodontic techniques used to correct the malposition of a single tooth....

Tooth Permeability - The property of TEETH to permit passage of light, heat, gases, liquids, metabolites, mineral ions an...

Tooth Preparation - Procedures carried out with regard to the teeth or tooth structures preparatory to specified dental ...

Tooth Preparation, Prosthodontic - The selected form given to a natural tooth when it is reduced by instrumentation to receive a prosth...

Tooth Remineralization - Therapeutic technique for replacement of minerals in partially decalcified teeth....

Tooth Replantation - Reinsertion of a tooth into the alveolus from which it was removed or otherwise lost....

Tooth Resorption - Resorption of calcified dental tissue, involving demineralization due to reversal of the cation exch...

Tooth Root - The part of a tooth from the neck to the apex, embedded in the alveolar process and covered with cem...

Tooth Socket - A hollow part of the alveolar process of the MAXILLA or MANDIBLE where each tooth fits and is attach...

Tooth Wear - Loss of the tooth substance by chemical or mechanical processes...

Tooth, Artificial - A fabricated tooth substituting for a natural tooth in a prosthesis. It is usually made of porcelain...

Tooth, Deciduous - The 20 teeth of the first dentition, which are shed and replaced by the permanent teeth, usually by ...

Tooth, Impacted - A tooth that is prevented from erupting by a physical barrier, usually other teeth. Impaction may al...

Tooth, Nonvital - A tooth from which the dental pulp has been removed or is necrotic. (Boucher, Clinical Dental Termin...

Tooth, Supernumerary - An extra tooth, erupted or unerupted, resembling or unlike the other teeth in the group to which it ...

Tooth, Unerupted - A normal developing tooth which has not yet perforated the oral mucosa or one that fails to erupt in...

Toothache - Pain in the adjacent areas of the teeth....

Toothbrushing - The act of cleaning teeth with a brush to remove plaque and prevent tooth decay. (From Webster, 3d e...

Toothpaste - A dentifrice in paste form; usually contains binder, humectant, an abrasive, a detergent, flavoring ...

Topography, Medical - The systematic surveying, mapping, charting, and description of specific geographical sites, with re...

Topotecan - An antineoplastic agent used to treat ovarian cancer. It works by inhibiting DNA TOPOISOMERASES, TYP...

Toremifene - A first generation selective estrogen receptor modulator (SERM). Like TAMOXIFEN, it is an estrogen a...

Tornadoes - Rotating column of air extending from a thunderstorm to the ground. Tornadoes generally produce dam...

Torovirus - A genus of the family CORONAVIRIDAE characterized by enveloped, peplomer-bearing particles containin...

Torovirus Infections - Infections with viruses of the genus TOROVIRUS, family CORONAVIRIDAE....

Torpedo - A genus of the Torpedinidae family consisting of several species. Members of this family have powerf...

Torque - The rotational force about an axis that is equal to the product of a force times the distance from t...

Torque teno virus - A species of non-enveloped DNA virus in the genus ANELLOVIRUS, associated with BLOOD TRANSFUSIONS; a...

Torsades de Pointes - A malignant form of polymorphic ventricular tachycardia that is characterized by HEART RATE between ...

Torsion Abnormality - An abnormal twisting or rotation of a bodily part or member on its axis....

Torsion, Mechanical - A twisting deformation of a solid body about an axis. (From McGraw-Hill Dictionary of Scientific and...

Torticollis - A symptom, not a disease, of a twisted neck. In most instances, the head is tipped toward one side a...

Torture - The intentional infliction of physical or mental suffering upon an individual or individuals, includ...

Torulaspora - A genus of ascomycetous yeast in the family Saccharomycetaceae, order SACCHAROMYCETALES. It is used ...

Tospovirus - A genus of plant viruses in the family BUNYAVIRIDAE. Tomato spotted wilt virus is the type species. ...

Tosylarginine Methyl Ester - Arginine derivative which is a substrate for many proteolytic enzymes. As a substrate for the estera...

Tosyllysine Chloromethyl Ketone - An inhibitor of SERINE ENDOPEPTIDASES. Acts as an alkylating agent and is known to interfere with th...

Tosylphenylalanyl Chloromethyl Ketone - An inhibitor of Serine Endopeptidases. Acts as alkylating agent and is known to interfere with the t...

Total Lung Capacity - The volume of air contained in the lungs at the end of a maximal inspiration. It is the equivalent t...

Total Quality Management - The application of industrial management practice to systematically maintain and improve organizatio...

Totipotent Stem Cells - Single cells that have the potential to form an entire organism. They have the capacity to specializ...

Totiviridae - A family of RNA viruses that infect fungi and protozoa. There are three genera: TOTIVIRUS; GIARDIAVI...

Totivirus - A genus of RNA fungi viruses in the family TOTIVIRIDAE. Some of the viruses contain additional satel...

Touch - Sensation of making physical contact with objects, animate or inanimate. Tactile stimuli are detecte...

Touch Perception - The process by which the nature and meaning of tactile stimuli are recognized and interpreted by the...

Tourette Syndrome - A neuropsychological disorder related to alterations in DOPAMINE metabolism and neurotransmission in...

Tourniquets - Devices for the compression of a blood vessel by application around an extremity to control the circ...

Toxaphene - A very complex, but reproducible mixture of at least 177 C10 polychloro derivatives, having an appro...

Toxascariasis - Infections with nematodes of the genus TOXASCARIS....

Toxascaris - An ascarid nematode found primarily in the small intestine of the larger Felidae as well as dogs and...

Toxemia - A condition produced by the presence of toxins or other harmful substances in the BLOOD....

Toxic Actions - A broad category of chemical actions with harmful or deadly effect on living organisms....

Toxicity Tests - An array of tests used to determine the toxicity of a substance to living systems. These include tes...

Toxicity Tests, Chronic - Experiments designed to determine the potential toxic effects of a long-term exposure to a chemical ...

Toxicodendron - A genus (formerly part of Rhus genus) of shrubs, vines, or trees that yields a highly allergenic ole...

Toxicogenetics - The study of existing genetic knowledge, and the generation of new genetic data, to understand and t...

Toxicology - The science concerned with the detection, chemical composition, and biological action of toxic subst...

Toxiferine - A curare alkaloid that is a very potent competitive nicotinic antagonist at the neuromuscular juncti...

Toxins, Biological - Specific, characterizable, poisonous chemicals, often PROTEINS, with specific biological properties,...

Toxocara - A genus of ascarid nematodes commonly parasitic in the intestines of cats and dogs....

Toxocara canis - A species of parasitic nematode found in the intestine of dogs. Lesions in the brain, liver, eye, ki...

Toxocariasis - Infection by round worms of the genus TOXOCARA, usually found in wild and domesticated cats and dogs...

Toxoids - Preparations of pathogenic organisms or their derivatives made nontoxic and intended for active immu...

Toxoplasma - A genus of protozoa parasitic to birds and mammals. T. gondii is one of the most common infectious p...

Toxoplasmosis - The acquired form of infection by Toxoplasma gondii in animals and man....

Toxoplasmosis, Animal - Acquired infection of non-human animals by organisms of the genus TOXOPLASMA....

Toxoplasmosis, Cerebral - Infections of the BRAIN caused by the protozoan TOXOPLASMA gondii that primarily arise in individual...

Toxoplasmosis, Congenital - Prenatal protozoal infection with TOXOPLASMA gondii which is associated with injury to the developin...

Toxoplasmosis, Ocular - Infection caused by the protozoan parasite TOXOPLASMA in which there is extensive connective tissue ...

Toyocamycin - 4-Amino-5-cyano-7-(D-ribofuranosyl)-7H- pyrrolo(2,3-d)pyrimidine. Antibiotic antimetabolite isolated...

T-Phages - A series of 7 virulent phages which infect E. coli. The T-even phages T2, T4; (BACTERIOPHAGE T4), an...

Trabecular Meshwork - A porelike structure surrounding the entire circumference of the anterior chamber through which aque...

Trabeculectomy - Any surgical procedure for treatment of glaucoma by means of puncture or reshaping of the trabecular...

Trace Elements - A group of chemical elements that are needed in minute quantities for the proper growth, development...

Trachea - The cartilaginous and membranous tube descending from the larynx and branching into the right and le...

Tracheobronchomalacia - A congenital or acquired condition of underdeveloped or degeneration of CARTILAGE in the TRACHEA and...

Tracheobronchomegaly - A rare and probably congenital condition characterized by great enlargement of the lumen of the trac...

Tracheoesophageal Fistula - Abnormal passage between the ESOPHAGUS and the TRACHEA, acquired or congenital, often associated wit...

Tracheomalacia - A congenital or acquired condition of underdeveloped or degeneration of CARTILAGE in the TRACHEA. Th...

Tracheostomy - Surgical formation of an opening into the trachea through the neck, or the opening so created....

Tracheotomy - Surgical incision of the trachea....

Trachoma - A chronic infection of the CONJUNCTIVA and CORNEA caused by CHLAMYDIA TRACHOMATIS....

Track and Field - Sports performed on a track, field, or arena and including running events and other competitions, su...

Traction - The pull on a limb or a part thereof. Skin traction (indirect traction) is applied by using a bandag...

Tradescantia - A plant genus of the family COMMELINACEAE that is used in genotoxic bioassays....

Tragacanth - Powdered exudate from Astragalus gummifer and related plants. It forms gelatinous mass in water. Tra...

Trager duck spleen necrosis virus - A species in the group RETICULOENDOTHELIOSIS VIRUSES, AVIAN of the genus GAMMARETROVIRUS originally ...

Tragopogon - A plant genus of the family ASTERACEAE. The root and shoots have been used for food....

Trail Making Test - The subject's ability to connect 25 numbered and lettered circles in sequence in a specific length o...

Training Support - Financial support for training including both student stipends and loans and training grants to inst...

Tramadol - A narcotic analgesic proposed for severe pain. It may be habituating....

Trametes - A genus of fungi in the family Coriolaceae....

Tranexamic Acid - Antifibrinolytic hemostatic used in severe hemorrhage....

Tranquilizing Agents - A traditional grouping of drugs said to have a soothing or calming effect on mood, thought, or behav...

Trans Fatty Acids - UNSATURATED FATTY ACIDS that contain at least one double bond in the trans configuration, which resu...

trans-1,4-Bis(2-chlorobenzaminomethyl)cyclohexane Dihydrochloride - An anticholesteremic agent that inhibits sterol biosynthesis in animals....

Transactional Analysis - A psychoanalytic therapy wherein each social transaction is analyzed to determine the involved ego s...

Trans-Activators - Diffusible gene products that act on homologous or heterologous molecules of viral or cellular DNA t...

Transaldolase - An enzyme of the transferase class that catalyzes the reaction sedoheptulose 7-phosphate and D-glyce...

Transaminases - A subclass of enzymes of the transferase class that catalyze the transfer of an amino group from a d...

Transcaucasia - Area of Europe that includes ARMENIA,; AZERBAIJAN; and the Republic of GEORGIA....

Trans-Cinnamate 4-Monooxygenase - A member of the P450 superfamily, this enzyme catalyzes the first oxidative step of the phenylpropan...

Transcobalamins - A group of carrier proteins which bind with VITAMIN B12 in the BLOOD and aid in its transport. Trans...

Transcortin - A serpin family member that binds to and transports GLUCOCORTICOIDS in the BLOOD....

Transcranial Magnetic Stimulation - A technique that involves the use of electrical coils on the head to generate a brief magnetic field...

Transcription Factor AP-1 - A multiprotein complex composed of the products of c-jun and c-fos proto-oncogenes. These proteins m...

Transcription Factor AP-2 - A family of DNA binding proteins that regulate expression of a variety of GENES during CELL DIFFEREN...

Transcription Factor Brn-3 - A family of mammalian POU domain factors that are expressed predominately in NEURONS....

Transcription Factor Brn-3A - A POU domain factor that activates GENETIC TRANSCRIPTION of GENES encoding NEUROFILAMENT PROTEINS; a...

Transcription Factor Brn-3B - A POU domain factor that represses GENETIC TRANSCRIPTION of GENES encoding NEUROFILAMENT PROTEINS, a...

Transcription Factor Brn-3C - A POU domain factor that activates neuronal cell GENETIC TRANSCRIPTION of GENES encoding NEUROFILAME...

Transcription Factor CHOP - A CCAAT-enhancer binding protein that is induced by DNA DAMAGE and growth arrest. It serves as a dom...

Transcription Factor DP1 - A transcription factor that possesses DNA-binding and E2F-binding domains but lacks a transcriptiona...

Transcription Factor Pit-1 - A POU domain factor that regulates expression of GROWTH HORMONE; PROLACTIN; and THYROTROPIN-BETA in ...

Transcription Factor RelA - A subunit of NF-kappa B that is primarily responsible for its transactivation function. It contains ...

Transcription Factor RelB - A transcription factor that takes part in the NF-kappa-B complex by interacting with NF-KAPPA B P50 ...

Transcription Factor TFIIA - An RNA POLYMERASE II specific transcription factor. It may play a role in transcriptional activation...

Transcription Factor TFIIB - An RNA POLYMERASE II specific transcription factor. It plays a role in assembly of the pol II transc...

Transcription Factor TFIID - The major sequence-specific DNA-binding component involved in the activation of transcription of RNA...

Transcription Factor TFIIH - A general transcription factor that is involved in basal GENETIC TRANSCRIPTION and NUCLEOTIDE EXCISI...

Transcription Factor TFIIIA - One of several general transcription factors that are specific for RNA POLYMERASE III. It is a zinc ...

Transcription Factor TFIIIB - One of several general transcription factors that are specific for RNA POLYMERASE III. TFIIIB recrui...

Transcription Factors - Endogenous substances, usually proteins, which are effective in the initiation, stimulation, or term...

Transcription Factors, General - Transcription factors that form transcription initiation complexes on DNA, bind to specific DNA-DIRE...

Transcription Factors, TFII - The so-called general transcription factors that bind to RNA POLYMERASE II and that are required to ...

Transcription Factors, TFIII - Factors that bind to RNA POLYMERASE III and aid in transcription. They include the assembly factors ...

Transcription Initiation Site - The first nucleotide of a transcribed DNA sequence where RNA polymerase (DNA-DIRECTED RNA POLYMERASE...

Transcription, Genetic - The biosynthesis of RNA carried out on a template of DNA. The biosynthesis of DNA from an RNA templa...

Transcriptional Activation - Processes that stimulate the GENETIC TRANSCRIPTION of a gene or set of genes....

Transcriptional Elongation Factors - Transcription factors whose primary function is to regulate the rate in which RNA is transcribed....

Transcultural Nursing - A nursing specialty created to answer the need for developing a global perspective in the practice o...

Transcutaneous Electric Nerve Stimulation - The use of specifically placed small electrodes to deliver electrical impulses across the SKIN to re...

Transducers - Any device or element which converts an input signal into an output signal of a different form. Exam...

Transducers, Pressure - Transducers that are activated by pressure changes, e.g., blood pressure....

Transducin - A heterotrimeric GTP-binding protein that mediates the light activation signal from photolyzed rhodo...

Transduction, Genetic - The transfer of bacterial DNA by phages from an infected bacterium to another bacterium. This also r...

Transfection - The uptake of naked or purified DNA by CELLS, usually meaning the process as it occurs in eukaryotic...

Transfer (Psychology) - Change in learning in one situation due to prior learning in another situation. The transfer can be ...

Transfer Agreement - A written agreement for the transfer of patients and their medical records from one health care inst...

Transfer Factor - Factor derived from leukocyte lysates of immune donors which can transfer both local and systemic ce...

Transfer RNA Aminoacylation - The conversion of uncharged TRANSFER RNA to AMINO ACYL TRNA....

Transferases - Transferases are enzymes transferring a group, for example, the methyl group or a glycosyl group, fr...

Transferases (Other Substituted Phosphate Groups) - A class of enzymes that transfers substituted phosphate groups. EC 2.7.8....

Transference (Psychology) - The unconscious transfer to others (including psychotherapists) of feelings and attitudes which were...

Transferrin - Serum beta-globulin that binds and transports iron. (From Dorland, 28th ed)...

Transferrin-Binding Protein A - A subtype of bacterial transferrin-binding protein found in bacteria. It forms a cell surface recept...

Transferrin-Binding Protein B - A subtype of bacterial transferrin-binding protein found in bacteria. It forms a cell surface recept...

Transferrin-Binding Proteins - A class of carrier proteins that bind to TRANSFERRIN. Many strains of pathogenic bacteria utilize tr...

Transformation, Bacterial - The heritable modification of the properties of a competent bacterium by naked DNA from another sour...

Transformation, Genetic - Change brought about to an organisms genetic composition by unidirectional transfer (TRANSFECTION; T...

Transforming Growth Factor alpha - Factor isolated in a variety of tissues including epithelium, and maternal decidua. It is closely re...

Transforming Growth Factor beta - A factor synthesized in a wide variety of tissues. It acts synergistically with TGF-alpha in inducin...

Transforming Growth Factor beta1 - A subtype of transforming growth factor beta that is synthesized by a wide variety of cells. It is s...

Transforming Growth Factor beta2 - A TGF-beta subtype that was originally identified as a GLIOBLASTOMA-derived factor which inhibits th...

Transforming Growth Factor beta3 - A TGF-beta subtype that plays role in regulating epithelial-mesenchymal interaction during embryonic...

Transforming Growth Factors - Hormonally active polypeptides that can induce the transformed phenotype when added to normal, non-t...

Transgenes - Genes that are introduced into an organism using GENE TRANSFER TECHNIQUES....

Transglutaminases - Transglutaminases catalyze cross-linking of proteins at a GLUTAMINE in one chain with LYSINE in anot...

trans-Golgi Network - A network of membrane compartments, located at the cytoplasmic side of the GOLGI APPARATUS, where pr...

Transient Receptor Potential Channels - A broad group of eukaryotic six-transmembrane cation channels that are classified by sequence homolo...

Transients and Migrants - People who frequently change their place of residence....

Transillumination - Passage of light through body tissues or cavities for examination of internal structures....

Transistors, Electronic - Electrical devices that are composed of semiconductor material, with at least three connections to a...

Transition Elements - Elements with partially filled d orbitals. They constitute groups 3-12 of the periodic table of elem...

Transition Temperature - The temperature at which a substance changes from one state or conformation of matter to another....

Transketolase - An enzyme of the transferase class that catalyzes the conversion of sedoheptulose 7-phosphate and D-...

Translating - Conversion from one language to another language....

Translational Research - The application of discoveries generated by laboratory research and preclinical studies to the devel...

Translations - Products resulting from the conversion of one language to another....

Translocation, Genetic - A type of chromosome aberration characterized by CHROMOSOME BREAKAGE and transfer of the broken-off ...

Transmembrane Activator and CAML Interactor Protein - A tumor necrosis factor receptor superfamily member found expressed on peripheral B-LYMPHOCYTES. It ...

Transmissible gastroenteritis virus - A species of CORONAVIRUS causing a fatal disease to pigs under 3 weeks old....

Transplantation - Transference of a tissue or organ, alive or dead, within an individual, between individuals of the s...

Transplantation Chimera - An organism that, as a result of transplantation of donor tissue or cells, consists of two or more c...

Transplantation Conditioning - Preparative treatment of transplant recipient with various conditioning regimens including radiation...

Transplantation Immunology - A general term for the complex phenomena involved in allo- and xenograft rejection by a host and gra...

Transplantation Tolerance - An induced state of non-reactivity to grafted tissue from a donor organism that would ordinarily tri...

Transplantation, Autologous - Transplantation from another site in or on the body of the individual receiving it....

Transplantation, Heterologous - Transplantation between animals of different species....

Transplantation, Heterotopic - Transplantation of tissue typical of one area to a different recipient site. The tissue may be autol...

Transplantation, Homologous - Transplantation between individuals of the same species. Usually refers to genetically disparate ind...

Transplantation, Isogeneic - Transplantation between genetically identical individuals, i.e., members of the same species with id...

Transplants - Organs, tissues, or cells taken from the body for grafting into another area of the same body or int...

Transport Vesicles - Vesicles that are involved in shuttling cargo from the interior of the cell to the cell surface, fro...

Transportation - The means of moving persons, animals, goods, or materials from one place to another....

Transportation of Patients - Conveying ill or injured individuals from one place to another....

Transposases - Enzymes that recombine DNA segments by a process which involves the formation of a synapse between t...

Transposition of Great Vessels - A congenital cardiovascular malformation in which the AORTA arises entirely from the RIGHT VENTRICLE...

Transposon Resolvases - Recombinases that involved in the propagation of DNA TRANSPOSONS. They bind to transposon sequences ...

Transsexualism - Severe gender dysphoria, coupled with a persistent desire for the physical characteristics and socia...

Trans-Splicing - The joining of RNA from two different genes. One type of trans-splicing is the "spliced leader" type...

Transurethral Resection of Prostate - Removal of all or part of the PROSTATE, often using a cystoscope and/or resectoscope passed through ...

Transverse Sinuses - The two large endothelium-lined venous channels that begin at the internal occipital protuberance at...

Transvestism - Disorder characterized by recurrent, intense sexually arousing fantasies, sexual urges, or behaviors...

Tranylcypromine - A propylamine formed from the cyclization of the side chain of amphetamine. This monoamine oxidase i...

Trapezium Bone - A carpal bone adjacent to the TRAPEZOID BONE....

Trapezoid Bone - A carpal bone which is located between the TRAPEZIUM BONE and the CAPITATE BONE....

Trapidil - A coronary vasodilator agent....

Trauma Centers - Specialized hospital facilities which provide diagnostic and therapeutic services for trauma patient...

Trauma Severity Indices - Systems for assessing, classifying, and coding injuries. These systems are used in medical records, ...

Trauma, Nervous System - Traumatic injuries to the brain, cranial nerves, spinal cord, autonomic nervous system, or neuromusc...

Traumatology - The medical specialty which deals with WOUNDS and INJURIES as well as resulting disability and disor...

Travel - Aspects of health and disease related to travel. It includes the physiologic and psychologic benefic...

Travel Medicine - Multidisciplinary field focusing on prevention of infectious diseases and patient safety during inte...

Trazodone - A serotonin uptake inhibitor that is used as an antidepressive agent. It has been shown to be effect...

Treatment Failure - A measure of the quality of health care by assessment of unsuccessful results of management and proc...

Treatment Outcome - Evaluation undertaken to assess the results or consequences of management and procedures used in com...

Treatment Refusal - Patient or client refusal of or resistance to medical, psychological, or psychiatric treatment. (APA...

Trees - Woody, usually tall, perennial higher plants (Angiosperms, Gymnosperms, and some Pterophyta) having ...

Trehalase - An enzyme that catalyzes the conversion of alpha,alpha-trehalose and water to D-glucose. EC 3.2.1.28...

Trema - A plant genus of the family ULMACEAE. Members contain PHENANTHRENES and COUMARINS....

Trematoda - Class of parasitic flukes consisting of three subclasses, Monogenea, Aspidogastrea, and Digenea. The...

Trematode Infections - Infections caused by infestation with worms of the class Trematoda....

Tremor - Cyclical movement of a body part that can represent either a physiologic process or a manifestation ...

Trenbolone - 17-beta-Hydroxyestra-4,9,11-trien-3-one. An anabolic steroid used mainly as a growth substance in an...

Trench Fever - An intermittent fever characterized by intervals of chills, fever, and splenomegaly each of which ma...

Trephining - The removal of a circular disk of the cranium. It is performed with a trephine, a small circular saw...

Treponema - A genus of microorganisms of the order SPIROCHAETALES, many of which are pathogenic and parasitic fo...

Treponema denticola - A species of bacteria in the family SPIROCHAETACEAE, frequently isolated from periodontal pockets (P...

Treponema Immobilization Test - Syphilis serodiagnosis employing as the antigen Treponema pallidum obtained from rabbit syphilis orc...

Treponema pallidum - The causative agent of venereal and non-venereal syphilis as well as yaws....

Treponemal Infections - Infections with bacteria of the genus TREPONEMA....

Tretinoin - An important regulator of GENE EXPRESSION during growth and development, and in NEOPLASMS. Tretinoin...

Tretoquinol - An adrenergic beta-agonist used as a bronchodilator agent in asthma therapy....

Triacetin - A triglyceride that is used as an antifungal agent....

Triacetoneamine-N-Oxyl - Cyclic N-oxide radical functioning as a spin label and radiation-sensitizing agent....

Triage - The sorting out and classification of patients or casualties to determine priority of need and prope...

Trial of Labor - Allowing a woman to be in LABOR, OBSTETRIC long enough to determine if vaginal birth may be anticipa...

Trialkyltin Compounds - Organometallic compounds which contain tin and three alkyl groups....

Triallate - A pre-emergence, selective herbicide for the control of wild oats in various crops....

Triamcinolone - A glucocorticoid given, as the free alcohol or in esterified form, orally, intramuscularly, by local...

Triamcinolone Acetonide - An esterified form of TRIAMCINOLONE. It is an anti-inflammatory glucocorticoid used topically in the...

Triamterene - A pteridine that is used as a mild diuretic....

Triangular Fibrocartilage - Fibrocartilage that makes up the triangular fibrocartilage complex which is found in the WRIST JOINT...

Triatoma - A genus of the subfamily TRIATOMINAE. Several species are vectors of TRYPANOSOMA CRUZI....

Triatominae - A subfamily of assassin bugs (REDUVIIDAE) that are obligate blood-suckers of vertebrates. Included a...

Triazenes - Compounds with three contiguous nitrogen atoms in linear format, H2N-N=NH, and hydrocarbyl derivativ...

Triazines - Heterocyclic rings containing three nitrogen atoms, commonly in 1,2,4 or 1,3,5 or 2,4,6 formats. Som...

Triaziquone - Alkylating antineoplastic agent used mainly for ovarian tumors. It is toxic to skin, gastrointestina...

Triazolam - A short-acting benzodiazepine used in the treatment of insomnia. Some countries temporarily withdrew...

Tribolium - A genus of small beetles of the family Tenebrionidae; T. confusum is the "confused flour beetle"....

Tribulus - A plant genus of the family ZYGOPHYLLACEAE. Members contain steroidal saponins. Ingestion by grazing...

Tricarboxylic Acids - Organic compounds that are acyclic and contain three acid groups. A member of this class is citric a...

Trichechus - A genus of the order Sirenia comprising what are commonly called manatees. The distinguishing charac...

Trichechus inunguis - Member of the genus Trichechus found in the Amazon and Orinoco drainages of northeastern South Ameri...

Trichechus manatus - Member of the genus Trichechus inhabiting the coast and coastal rivers of the southeastern United St...

Trichinella - A genus of parasitic nematodes that causes TRICHINELLOSIS in man and other animal....

Trichinella spiralis - A parasite of carnivorous mammals that causes TRICHINELLOSIS. It is especially common in rats and in...

Trichinellosis - An infection with TRICHINELLA. It is caused by eating raw or undercooked meat that is infected with ...

Trichlorfon - A organochlorophosphate cholinesterase inhibitor that is used as an insecticide for the control of f...

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

Trichloroacetic Acid - A strong acid used as a protein precipitant in clinical chemistry and also as a caustic for removing...

Trichloroepoxypropane - A potent epoxide hydrase and aryl hydrocarbon hydroxylase inhibitor. It enhances the tumor-initiatin...

Trichloroethanes - Chlorinated ethanes which are used extensively as industrial solvents. They have been utilized in nu...

Trichloroethylene - A highly volatile inhalation anesthetic used mainly in short surgical procedures where light anesthe...

Trichoderma - A mitosporic fungal genus frequently found in soil and on wood. It is sometimes used for controlling...

Trichodermin - Antifungal metabolite from several fungi, mainly Trichoderma viride; inhibits protein synthesis by b...

Tricholoma - A large genus of gilled mushrooms in the family Tricholomataceae. They are most often found in mount...

Trichomonadida - An order of parasitic EUKARYOTES typically having four to six flagella. True cysts are known in very...

Trichomonas - A genus of parasitic flagellate EUKARYOTES distinguished by the presence of four anterior flagella, ...

Trichomonas Infections - Infections in birds and mammals produced by various species of Trichomonas....

Trichomonas vaginalis - A species of TRICHOMONAS that produces a refractory vaginal discharge in females, as well as bladder...

Trichomonas Vaginitis - Inflammation of the vagina, marked by a purulent discharge. This disease is caused by the protozoan ...

Trichophytin - Antigens from the genus TRICHOPHYTON. Trichophytin has been used in studies of immunological respons...

Trichophyton - A mitosporic fungal genus and an anamorphic form of Arthroderma. Various species attack the skin, na...

Trichosanthes - A plant species of the family CUCURBITACEAE that is a source of TRICHOSANTHIN (a ribosomal inhibitor...

Trichosanthin - Plant-derived ribosome-inactivating protein (RIP) purified from the Chinese medicinal herb tian-hua-...

Trichosporon - A mitosporic fungal genus causing opportunistic infections, endocarditis, fungemia, and white PIEDRA...

Trichostomatida - An order of ciliate protozoa in which the cytostome is usually situated at the base of an oral groov...

Trichostomatina - A suborder of ciliate protozoa characterized by non-reduction of the somatic ciliature....

Trichostrongyloidea - A superfamily of nematodes. Most are intestinal parasites of ruminants and accidentally in humans. T...

Trichostrongyloidiasis - Infection by roundworms of the superfamily TRICHOSTRONGYLOIDEA, including the genera TRICHOSTRONGYLU...

Trichostrongylosis - Infestation with nematode worms of the genus TRICHOSTRONGYLUS. Man and animals become infected by sw...

Trichostrongylus - A genus of parasitic nematodes found in the digestive tract of herbivorous animals. They cause incid...

Trichosurus - A genus of brush-tailed possums found chiefly in Australia and New Zealand. Secretions from their AN...

Trichothecenes - Usually 12,13-epoxytrichothecenes, produced by Fusaria, Stachybotrys, Trichoderma and other fungi, a...

Trichothiodystrophy Syndromes - Autosomal recessive neuroectodermal disorders characterized by brittle sulfur-deficient hair associa...

Trichotillomania - Compulsion to pull out one's hair....

Trichuriasis - Infection with nematodes of the genus TRICHURIS, formerly called Trichocephalus....

Trichuris - A genus of nematode worms comprising the whipworms....

Trichuroidea - A superfamily of nematodes of the order ENOPLIDA. Its organisms have a well developed intestine and ...

Triclosan - A diphenyl ether derivative used in cosmetics and toilet soaps as an antiseptic. It has some bacteri...

Tricuspid Atresia - Absence of the orifice between the RIGHT ATRIUM and RIGHT VENTRICLE, with the presence of an atrial ...

Tricuspid Valve - The valve consisting of three cusps situated between the right atrium and right ventricle of the hea...

Tricuspid Valve Insufficiency - Backflow of blood from the RIGHT VENTRICLE into the RIGHT ATRIUM due to imperfect closure of the TRI...

Tricuspid Valve Prolapse - Abnormal protrusion of one or more of the leaflets of TRICUSPID VALVE into the RIGHT ATRIUM during S...

Tricuspid Valve Stenosis - The pathologic narrowing of the orifice of the TRICUSPID VALVE. This hinders the emptying of RIGHT A...

Triethylenemelamine - Toxic alkylating agent used in industry; also as antineoplastic and research tool to produce chromos...

Triethylenephosphoramide - An insect chemosterilant and an antineoplastic agent....

Triethylenetetramine - Used as stabilizer for epoxy resins, as ampholyte for isoelectric focusing and as chelating agent fo...

Triethyltin Compounds - Organic compounds composed of tin and three ethyl groups. Affect mitochondrial metabolism and inhibi...

Trifluoperazine - A phenothiazine with actions similar to CHLORPROMAZINE. It is used as an antipsychotic and an antiem...

Trifluoroacetic Acid - A very strong halogenated derivative of acetic acid. It is used in acid catalyzed reactions, especia...

Trifluoroethanol - A non-aqueous co-solvent that serves as tool to study protein folding. It is also used in various ph...

Trifluperidol - A butyrophenone with general properties similar to those of HALOPERIDOL. It is used in the treatment...

Triflupromazine - A phenothiazine used as an antipsychotic agent and as an antiemetic....

Trifluralin - A microtubule-disrupting pre-emergence herbicide....

Trifluridine - An antiviral derivative of THYMIDINE used mainly in the treatment of primary keratoconjunctivitis an...

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

Trigeminal Autonomic Cephalalgias - Primary headache disorders that show symptoms caused by the activation of the AUTONOMIC NERVOUS SYST...

Trigeminal Caudal Nucleus - The caudal portion of the nucleus of the spinal trigeminal tract (TRIGEMINAL NUCLEUS, SPINAL), a nuc...

Trigeminal Ganglion - The semilunar-shaped ganglion containing the cells of origin of most of the sensory fibers of the tr...

Trigeminal Nerve - The 5th and largest cranial nerve. The trigeminal nerve is a mixed motor and sensory nerve. The larg...

Trigeminal Nerve Diseases - Diseases of the trigeminal nerve or its nuclei, which are located in the pons and medulla. The nerve...

Trigeminal Neuralgia - A syndrome characterized by recurrent episodes of excruciating pain lasting several seconds or longe...

Trigeminal Nuclei - Nuclei of the trigeminal nerve situated in the brain stem. They include the nucleus of the spinal tr...

Trigeminal Nucleus, Spinal - Nucleus of the spinal tract of the trigeminal nerve. It is divided cytoarchitectonically into three ...

Trigger Finger Disorder - A painful disability in the hand affecting the finger or thumb. It is caused by mechanical impingeme...

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

Trihalomethanes - Methanes substituted with three halogen atoms, which may be the same or different....

Trihexosylceramides - Glycosphingolipids which contain as their polar head group a trisaccharide (galactose-galactose-gluc...

Trihexyphenidyl - One of the centrally acting MUSCARINIC ANTAGONISTS used for treatment of PARKINSONIAN DISORDERS and ...

Triiodobenzoic Acids - Triiodo-substituted derivatives of BENZOIC ACID....

Triiodothyronine - A T3 thyroid hormone normally synthesized and secreted by the thyroid gland in much smaller quantiti...

Triiodothyronine, Reverse - A metabolite of THYROXINE, formed by the peripheral enzymatic monodeiodination of T4 at the 5 positi...

Trillium - A plant genus of the family LILIACEAE that is a short plant with a distinct whorl of 3 broad leaves....

Trilogy of Fallot - A combination of congenital heart defects consisting of three key features including ATRIAL SEPTAL D...

Trimebutine - Proposed spasmolytic with possible local anesthetic action used in gastrointestinal disorders....

Trimecaine - Acetanilide derivative used as a local anesthetic....

Trimedoxime - Cholinesterase reactivator used as an antidote in alkyl phosphate poisoning....

Trimeprazine - A phenothiazine derivative that is used as an antipruritic....

Trimeresurus - A genus of snakes of the family VIPERIDAE. About 30 species are currently recognized, found in south...

Trimetazidine - A vasodilator used in angina of effort or ischemic heart disease....

Trimethadione - An anticonvulsant effective in absence seizures, but generally reserved for refractory cases because...

Trimethaphan - A nicotinic antagonist that has been used as a ganglionic blocker in hypertension, as an adjunct to ...

Trimethoprim - A pyrimidine inhibitor of dihydrofolate reductase, it is an antibacterial related to PYRIMETHAMINE. ...

Trimethoprim Resistance - Nonsusceptibility of bacteria to the action of TRIMETHOPRIM....

Trimethoprim-Sulfamethoxazole Combination - This drug combination has proved to be an effective therapeutic agent with broad-spectrum antibacter...

Trimethyl Ammonium Compounds - QUATERNARY AMMONIUM COMPOUNDS containing three methyl groups, having the general formula of (CH3)3N+...

Trimethylsilyl Compounds - Organic silicon derivatives used to characterize hydroxysteroids, nucleosides, and related compounds...

Trimethyltin Compounds - Organic compounds composed of tin and three methyl groups. Affect mitochondrial metabolism and inhib...

Trimetrexate - A nonclassical folic acid inhibitor through its inhibition of the enzyme dihydrofolate reductase. It...

Trimipramine - Tricyclic antidepressant similar to IMIPRAMINE, but with more antihistaminic and sedative properties...

Trinidad and Tobago - An independent state in the Lesser Antilles in the West Indies, north of Venezuela, comprising the i...

Trinitrobenzenes - Benzene derivatives which are substituted with three nitro groups in any position....

Trinitrobenzenesulfonic Acid - A reagent that is used to neutralize peptide terminal amino groups....

Trinitrotoluene - A 2,4,6-trinitrotoluene, which is an explosive chemical that can cause skin irritation and other tox...

Trinucleotide Repeat Expansion - An increased number of contiguous trinucleotide repeats in the DNA sequence from one generation to t...

Trinucleotide Repeats - Microsatellite repeats consisting of three nucleotides dispersed in the euchromatic arms of chromoso...

Triolein - (Z)-9-Octadecenoic acid 1,2,3-propanetriyl ester....

Triose-Phosphate Isomerase - An enzyme that catalyzes reversibly the conversion of D-glyceraldehyde 3-phosphate to dihydroxyaceto...

Trioxsalen - Pigmenting photosensitizing agent obtained from several plants, mainly Psoralea corylifolia. It is a...

Triparanol - Antilipemic agent with high ophthalmic toxicity. According to Merck Index, 11th ed, the compound was...

Tripelennamine - A histamine H1 antagonist with low sedative action but frequent gastrointestinal irritation. It is u...

Triplets - Three individuals derived from three FETUSES that were fertilized at or about the same time, develop...

Tripleurospermum - A plant genus of the family ASTERACEAE. It is easily confused with related plants with similar comm...

Triprolidine - Histamine H1 antagonist used in allergic rhinitis; ASTHMA; and URTICARIA. It is a component of COUGH...

Tripterygium - A plant genus of the family CELASTRACEAE that is a source of triterpenoids and diterpene epoxides su...

Triptorelin - A potent synthetic long-acting agonist of GONADOTROPIN-RELEASING HORMONE with D-tryptophan substitut...

Triquetrum Bone - A carpal bone which is located between the LUNATE BONE and HAMATE BONE....

Trisaccharides - Oligosaccharides containing three monosaccharide units linked by glycosidic bonds....

Trismus - Spasmodic contraction of the masseter muscle resulting in forceful jaw closure. This may be seen wit...

Trisomy - The possession of a third chromosome of any one type in an otherwise diploid cell....

Tristetraprolin - A ZINC FINGER MOTIF containing transcription factor that was originally identified as one of the IMM...

Triticum - A plant genus of the family POACEAE that is the source of wheat grain. A hybrid with rye (SECALE CER...

Tritolyl Phosphates - A mixture of isomeric tritolyl phosphates. Used in the sterilization of certain surgical instruments...

Tritonia Sea Slug - A genus of large marine sea slugs in the family Tritoniidae found in the northern Pacific Ocean. The...

Tritrichomonas - A genus of flagellate EUKARYOTES possessing three long anterior flagella....

Tritrichomonas foetus - A species of flagellate parasitic EUKARYOTE. It possesses a long undulating membrane that is bordere...

Triturus - A genus of aquatic newts in the Salamandridae family. During breeding season many Triturus males hav...

Triumfetta - A plant genus of the family TILIACEAE. The common name of burweed is also used for AMSINCKIA. Trium...

tRNA Methyltransferases - Enzymes that catalyze the S-adenosyl-L-methionine-dependent methylation of ribonucleotide bases with...

Trochlear Nerve - The 4th cranial nerve. The trochlear nerve carries the motor innervation of the superior oblique mus...

Trochlear Nerve Diseases - Diseases of the fourth cranial (trochlear) nerve or its nucleus in the midbrain. The nerve crosses a...

Troglotrematidae - A family of flukes (TREMATODA) usually under 10 mm in length, some being only 1 or 2 mm long. In gen...

Troleandomycin - A macrolide antibiotic that is similar to ERYTHROMYCIN....

Trombiculiasis - Infestation with mites of the genus Trombicula, whose larvae carry the rickettsial agent of scrub ty...

Trombiculidae - Family of MITES in the superfamily Trombiculoidea, suborder Prostigmata, which attack humans and oth...

Tromethamine - An organic amine proton acceptor. It is used in the synthesis of surface-active agents and pharmaceu...

Tropaeolaceae - A plant family of the order Geraniales, subclass Rosidae, class Magnoliopsida....

Tropaeolum - A plant genus of the family TROPAEOLACEAE. The common nasturtium is a plant that grows 2.4-3.6 m (8-...

Tropanes - N-methyl-8-azabicyclo[3.2.1]octanes best known for the ones found in PLANTS....

Tropheryma - A genus of gram-positive bacteria in the family Cellulomonadaceae....

Trophoblastic Neoplasms - Trophoblastic growth, which may be gestational or nongestational in origin. Trophoblastic neoplasia ...

Trophoblastic Tumor, Placental Site - An uncommon variant of CHORIOCARCINOMA. It is composed almost entirely of mononuclear cytotrophoblas...

Trophoblasts - Cells lining the outside of the BLASTOCYST. After binding to the ENDOMETRIUM, trophoblasts develop i...

Trophozoites - Cells or feeding stage in the life cycle of sporozoan protozoa. In the malarial parasite, the tropho...

Tropical Climate - A climate which is typical of equatorial and tropical regions, i.e., one with continually high tempe...

Tropical Medicine - The branch of medicine concerned with diseases, mainly of parasitic origin, common in tropical and s...

Tropicamide - One of the MUSCARINIC ANTAGONISTS with pharmacologic action similar to ATROPINE and used mainly as a...

Tropism - The directional growth of an organism in response to an external stimulus such as light, touch, or g...

Tropocollagen - The molecular unit of collagen fibrils that consist of repeating three-stranded polypeptide units ar...

Tropoelastin - A salt-soluble precursor of elastin. Lysyl oxidase is instrumental in converting it to elastin in co...

Tropolone - A seven-membered aromatic ring compound. It is structurally related to a number of naturally occurri...

Tropomodulin - An actin capping protein that binds to the pointed-end of ACTIN. It functions in the presence of TRO...

Tropomyosin - A protein found in the thin filaments of muscle fibers. It inhibits contraction of the muscle unless...

Troponin - One of the minor protein components of skeletal muscle. Its function is to serve as the calcium-bind...

Troponin C - One of the three polypeptide chains that make up the TROPONIN complex of skeletal muscle. It is a ca...

Troponin I - One of the three polypeptide chains that make up the TROPONIN complex. It inhibits F-actin-myosin in...

Troponin T - One of the three polypeptide chains that make up the TROPONIN complex. It is a cardiac-specific prot...

Trout - Various fish of the family SALMONIDAE, usually smaller than salmon. They are mostly restricted to co...

TRPC Cation Channels - A subgroup of TRP cation channels that contain 3-4 ANKYRIN repeats and a conserved C-terminal domain...

TRPM Cation Channels - A subgroup of TRP cation channels named after melastatin protein. They have the TRP domain but lack ...

TRPP Cation Channels - A subgroup of TRP cation channels that are widely expressed in various cell types. Defects are assoc...

TRPV Cation Channels - A subgroup of TRP cation channels named after vanilloid receptor. They are very sensitive to TEMPERA...

Truncated Hemoglobins - A family of hemoglobin-like proteins found in BACTERIA; PLANTS; and unicellular eukaryotes. Truncate...

Truncus Arteriosus - The arterial trunk arising from the fetal heart. During development, it divides into AORTA and the P...

Truncus Arteriosus, Persistent - A congenital anomaly caused by the failed development of TRUNCUS ARTERIOSUS into separate AORTA and ...

Trusses - A surgical device designed for retaining a hernia in a reduced state within the abdominal cavity....

Trust - Confidence in or reliance on a person or thing....

Trustees - Board members of an institution or organization who are entrusted with the administering of funds an...

Truth Disclosure - Truthful revealing of information, specifically when the information disclosed is likely to be psych...

Trypan Blue - A diazo-naphthalene sulfonate that is widely used as a stain....

Trypanocidal Agents - Agents destructive to the protozoal organisms belonging to the suborder TRYPANOSOMATINA....

Trypanosoma - A genus of flagellate protozoans found in the blood and lymph of vertebrates and invertebrates, both...

Trypanosoma brucei brucei - A hemoflagellate subspecies of parasitic protozoa that causes nagana in domestic and game animals in...

Trypanosoma brucei gambiense - A hemoflagellate subspecies of parasitic protozoa that causes Gambian or West African sleeping sickn...

Trypanosoma brucei rhodesiense - A hemoflagellate subspecies of parasitic protozoa that causes Rhodesian sleeping sickness in humans....

Trypanosoma congolense - A species of Trypanosome hemoflagellates that is carried by tsetse flies and causes severe anemia in...

Trypanosoma cruzi - The agent of South American trypanosomiasis or CHAGAS DISEASE. Its vertebrate hosts are man and vari...

Trypanosoma lewisi - A trypanosome found in the blood of adult rats and transmitted by the rat flea. It is generally non-...

Trypanosoma vivax - An active blood parasite that is present in practically all domestic animals in Africa, the West Ind...

Trypanosomatina - A suborder of monoflagellate parasitic protozoa that lives in the blood and tissues of man and anima...

Trypanosomiasis - Infection with protozoa of the genus TRYPANOSOMA....

Trypanosomiasis, African - A disease endemic among people and animals in Central Africa. It is caused by various species of try...

Trypanosomiasis, Bovine - Infection in cattle caused by various species of trypanosomes....

Trypsin - A serine endopeptidase that is formed from TRYPSINOGEN in the pancreas. It is converted into its act...

Trypsin Inhibitor, Bowman-Birk Soybean - A low-molecular-weight protein (minimum molecular weight 8000) which has the ability to inhibit tryp...

Trypsin Inhibitor, Kazal Pancreatic - A pancreatic trypsin inhibitor common to all mammals. It is secreted with the zymogens into the panc...

Trypsin Inhibitor, Kunitz Soybean - A high-molecular-weight protein (approximately 22,500) containing 198 amino acid residues. It is a s...

Trypsin Inhibitors - Serine proteinase inhibitors which inhibit trypsin. They may be endogenous or exogenous compounds....

Trypsinogen - The inactive proenzyme of trypsin secreted by the pancreas, activated in the duodenum via cleavage b...

Tryptamines - Decarboxylated monoamine derivatives of TRYPTOPHAN....

Tryptases - A family of neutral serine proteases with TRYPSIN-like activity. Tryptases are primarily found in th...

Tryptophan - An essential amino acid that is necessary for normal growth in infants and for NITROGEN balance in a...

Tryptophan Hydroxylase - An enzyme that catalyzes the hydroxylation of TRYPTOPHAN to 5-HYDROXYTRYPTOPHAN in the presence of N...

Tryptophan Oxygenase - A dioxygenase with specificity for the oxidation of the indoleamine ring of TRYPTOPHAN. It is a LIVE...

Tryptophan Synthase - An enzyme that catalyzes the conversion of L-serine and 1-(indol-3-yl)glycerol 3-phosphate to L-tryp...

Tryptophan Transaminase - A PYRIDOXAL PHOSPHATE containing enzyme that catalyzes the transfer amino group from L-TRYPTOPHAN to...

Tryptophanase - An enzyme that catalyzes the conversion of L-tryptophan and water to indole, pyruvate, and ammonia. ...

Tryptophan-tRNA Ligase - An enzyme that activates tryptophan with its specific transfer RNA. EC 6.1.1.2....

Tsetse Flies - Bloodsucking flies of the genus Glossina, found primarily in equatorial Africa. Several species are ...

Tsuga - A plant genus in the family PINACEAE, order Pinales, class Pinopsida, division Coniferophyta. They ...

Tsunamis - Series of ocean waves produced by geologic events or underwater LANDSLIDES. These waves can travel ...

Tuber Cinereum - Layer of gray matter in the hypothalamus that also forms part of the floor of the third ventricle an...

Tubercidin - An antibiotic purine ribonucleoside that readily substitutes for adenosine in the biological system,...

Tuberculin - A protein extracted from boiled culture of tubercle bacilli (MYCOBACTERIUM TUBERCULOSIS). It is use...

Tuberculin Test - One of several skin tests to determine past or present tuberculosis infection. A purified protein de...

Tuberculoma - A tumor-like mass resulting from the enlargement of a tuberculous lesion....

Tuberculoma, Intracranial - A well-circumscribed mass composed of tuberculous granulation tissue that may occur in the cerebral ...

Tuberculosis - Any of the infectious diseases of man and other animals caused by species of MYCOBACTERIUM....

Tuberculosis Societies - Voluntary agencies concerned with prevention and treatment of tuberculosis....

Tuberculosis Vaccines - Vaccines or candidate vaccines used to prevent or treat TUBERCULOSIS....

Tuberculosis, Avian - A variety of TUBERCULOSIS affecting various birds, including chickens and ducks. It is caused by MYC...

Tuberculosis, Bovine - An infection of cattle caused by MYCOBACTERIUM BOVIS. It is transmissible to man and other animals....

Tuberculosis, Cardiovascular - Pathological conditions of the CARDIOVASCULAR SYSTEM caused by infection of MYCOBACTERIUM TUBERCULOS...

Tuberculosis, Central Nervous System - Tuberculosis of the brain, spinal cord, or meninges (TUBERCULOSIS, MENINGEAL), most often caused by ...

Tuberculosis, Cutaneous - Tuberculosis of the skin. It includes scrofuloderma and tuberculid, but not LUPUS VULGARIS....

Tuberculosis, Endocrine - Infection of the ENDOCRINE GLANDS with species of MYCOBACTERIUM, most often MYCOBACTERIUM TUBERCULOS...

Tuberculosis, Female Genital - MYCOBACTERIUM infections of the female reproductive tract (GENITALIA, FEMALE)....

Tuberculosis, Gastrointestinal - TUBERCULOSIS that involves any region of the GASTROINTESTINAL TRACT, mostly in the distal ILEUM and ...

Tuberculosis, Hepatic - Infection of the LIVER with species of MYCOBACTERIUM, most often MYCOBACTERIUM TUBERCULOSIS. It is c...

Tuberculosis, Laryngeal - Tuberculosis involving the larynx, producing ulceration of the VOCAL CORDS and the LARYNGEAL MUCOSA....

Tuberculosis, Lymph Node - Infection of the lymph nodes by tuberculosis. Tuberculous infection of the cervical lymph nodes is s...

Tuberculosis, Male Genital - MYCOBACTERIUM infections of the male reproductive tract (GENITALIA, MALE)....

Tuberculosis, Meningeal - A form of bacterial meningitis caused by MYCOBACTERIUM TUBERCULOSIS or rarely MYCOBACTERIUM BOVIS. T...

Tuberculosis, Miliary - An acute form of TUBERCULOSIS in which minute tubercles are formed in a number of organs of the body...

Tuberculosis, Multidrug-Resistant - Tuberculosis resistant to chemotherapy with two or more ANTITUBERCULAR AGENTS, including at least IS...

Tuberculosis, Ocular - Tuberculous infection of the eye, primarily the iris, ciliary body, and choroid....

Tuberculosis, Oral - Tuberculosis of the mouth, tongue, and salivary glands....

Tuberculosis, Osteoarticular - Tuberculosis of the bones or joints....

Tuberculosis, Pleural - Tuberculosis of the serous membrane lining the thoracic cavity and surrounding the lungs....

Tuberculosis, Pulmonary - MYCOBACTERIUM infections of the lung....

Tuberculosis, Renal - Infection of the KIDNEY with species of MYCOBACTERIUM....

Tuberculosis, Spinal - Osteitis or caries of the vertebrae, usually occurring as a complication of tuberculosis of the lung...

Tuberculosis, Splenic - Infection of the spleen with species of MYCOBACTERIUM....

Tuberculosis, Urogenital - A general term for MYCOBACTERIUM infections of any part of the UROGENITAL SYSTEM in either the male ...

Tuberous Sclerosis - An autosomal dominant disorder which is generally classified as a phacomatosis. Pathologically, the ...

Tubocurarine - A neuromuscular blocker and active ingredient in CURARE; plant based alkaloid of Menispermaceae....

Tubulin - A microtubule subunit protein found in large quantities in mammalian brain. It has also been isolate...

Tubulin Modulators - Agents that interact with TUBULIN to inhibit or promote polymerization of MICROTUBULES....

Tubulina - A suborder of ameboid protozoa characterized by a branched or unbranched cylindrical body and the ab...

Tuftsin - N(2)-((1-(N(2)-L-Threonyl)-L-lysyl)-L-prolyl)-L-arginine. A tetrapeptide produced in the spleen by e...

Tularemia - A plague-like disease of rodents, transmissible to man. It is caused by FRANCISELLA TULARENSIS and i...

Tulipa - A plant genus of the family LILIACEAE. Members contain tuliposides and tulipalins and have been asso...

Tumor Burden - The total amount (cell number, weight, size or volume) of tumor cells or tissue in the body....

Tumor Cells, Cultured - Cells grown in vitro from neoplastic tissue. If they can be established as a TUMOR CELL LINE, they c...

Tumor Escape - The ability of tumors to evade destruction by the IMMUNE SYSTEM. Theories concerning possible mechan...

Tumor Lysis Syndrome - A syndrome resulting from cytotoxic therapy, occurring generally in aggressive, rapidly proliferatin...

Tumor Markers, Biological - Molecular products metabolized and secreted by neoplastic tissue and characterized biochemically in ...

Tumor Necrosis Factor Decoy Receptors - A subclass of tumor necrosis family receptors that lack cell signaling domains. They bind to specifi...

Tumor Necrosis Factor Ligand Superfamily Member 13 - A member of tumor necrosis factor superfamily found on MACROPHAGES; DENDRITIC CELLS and T-LYMPHOCYTE...

Tumor Necrosis Factor Ligand Superfamily Member 14 - A member of tumor necrosis factor superfamily found on activated LYMPHOCYTES and MONOCYTES. It occur...

Tumor Necrosis Factor Ligand Superfamily Member 15 - A member of tumor necrosis factor superfamily found on ENDOTHELIAL CELLS that plays a role in the in...

Tumor Necrosis Factor Receptor-Associated Peptides and Proteins - Intracellular signaling peptides and proteins that bind directly or indirectly to the cytoplasmic po...

Tumor Necrosis Factor-alpha - Serum glycoprotein produced by activated MACROPHAGES and other mammalian MONONUCLEAR LEUKOCYTES. It ...

Tumor Necrosis Factors - A family of proteins that were originally identified by their ability to cause NECROSIS of NEOPLASMS...

Tumor Stem Cell Assay - A cytologic technique for measuring the functional capacity of tumor stem cells by assaying their ac...

Tumor Suppressor Protein p14ARF - A gene product of the p16 tumor suppressor gene (GENES, P16). It antagonizes the function of MDM2 PR...

Tumor Suppressor Protein p53 - Nuclear phosphoprotein encoded by the p53 gene (GENES, P53) whose normal function is to control CELL...

Tumor Suppressor Proteins - Proteins that are normally involved in holding cellular growth in check. Deficiencies or abnormaliti...

Tumor Virus Infections - Infections produced by oncogenic viruses. The infections caused by DNA viruses are less numerous but...

Tuna - Common name for various species of large, vigorous ocean fishes in the family Scombridae....

Tungrovirus - A genus of DNA plant viruses in the family CAULIMOVIRIDAE. The sole species, Rice tungro bacilliform...

Tungsten - Tungsten. A metallic element with the atomic symbol W, atomic number 74, and atomic weight 183.85. I...

Tungsten Compounds - Inorganic compounds that contain tungsten as an integral part of the molecule....

Tunica Intima - The innermost coat of blood vessels, consisting of a thin lining of endothelial cells longitudinally...

Tunica Media - The middle coat of blood vessel walls, composed principally of thin, cylindrical, smooth muscle cell...

Tunicamycin - An N-acetylglycosamine containing antiviral antibiotic obtained from Streptomyces lysosuperificus. I...

Tunisia - A country in northern Africa between ALGERIA and LIBYA. Its capital is Tunis....

Tupaia - A genus of tree shrews of the family TUPAIIDAE which consists of about 12 species. One of the most f...

Tupaiidae - The only family of the order SCANDENTIA, variously included in the order Insectivora or in the order...

Turbellaria - A class of free-living freshwater flatworms of North America....

Turbinates - The scroll-like bony plates with curved margins on the lateral wall of the NASAL CAVITY. Turbinates,...

Turkeys - Large woodland game BIRDS in the subfamily Meleagridinae, family Phasianidae, order GALLIFORMES. For...

Turner Syndrome - A syndrome of defective gonadal development in phenotypic women with a karyotype of sex chromosome m...

Turnera - A plant genus of the family Turneraceae, order Violales, subclass Dilleniidae, class Magnoliopsida....

Turpentine - The concrete oleoresin obtained from Pinus palustris Mill. (Pinaceae) and other species of Pinus. It...

Tussilago - A plant genus of the family ASTERACEAE. Flower buds contain farfaratin (SESQUITERPENES) and bisabol...

Twin Studies as Topic - Methods of detecting genetic etiology in human traits. The basic premise of twin studies is that mon...

Twin Study - Work consisting of reporting using a method of detecting genetic causes in human traits and genetic ...

Twinning, Monozygotic - The division of a ZYGOTE into two parts, each of which is capable of further development....

Twins - Two individuals derived from two FETUSES that were fertilized at or about the same time, developed i...

Twins, Dizygotic - Two offspring from the same PREGNANCY. They are from two OVA, fertilized at about the same time by t...

Twins, Monozygotic - Two off-spring from the same PREGNANCY. They are from a single fertilized OVUM that split into two E...

Twist Transcription Factor - A basic helix-loop-helix transcription factor that was originally identified in DROSOPHILA as essent...

Two-Hybrid System Techniques - Screening techniques first developed in yeast to identify genes encoding interacting proteins. Varia...

TYK2 Kinase - A Janus kinase subtype that is involved in signaling from a broad variety of CYTOKINE RECEPTORS. The...

Tylenchida - An order of nematodes consisting of many species which are plant parasites. Female worms lay eggs th...

Tylenchoidea - A superfamily of nematodes whose members are free-living saprophytes or parasites of plants. Ova are...

Tylophora - A plant genus of the family ASCLEPIADACEAE. Members contain phenanthro-indolizidine alkaloids....

Tylosin - Macrolide antibiotic obtained from cultures of Streptomyces fradiae. The drug is effective against m...

Tymoviridae - A family of icosahedral, non-enveloped, RNA plant viruses comprised of three genera: TYMOVIRUS, Mara...

Tymovirus - A genus of plant viruses, in the family TYMOVIRIDAE, possessing a narrow host range that includes CR...

Tympanic Membrane - An oval semitransparent membrane separating the external EAR CANAL from the tympanic cavity (EAR, MI...

Tympanic Membrane Perforation - A temporary or persistent opening in the eardrum (TYMPANIC MEMBRANE). Clinical signs depend on the s...

Tympanoplasty - Surgical reconstruction of the hearing mechanism of the middle ear, with restoration of the drum mem...

Type A Personality - Established behavior pattern characterized by excessive drive and ambition, impatience, competitiven...

Type C Phospholipases - A subclass of phospholipases that hydrolyze the phosphoester bond found in the third position of GLY...

Typhaceae - A plant family of the order Typhales, subclass Commelinidae, class Liliopsida (monocotyledons) that ...

Typhlitis - Necrotizing inflammation of the CECUM ("typhlon" in Greek), sometimes spreading to the APPENDIX and/...

Typhoid Fever - An acute systemic febrile infection caused by SALMONELLA TYPHI, a serotype of SALMONELLA ENTERICA....

Typhoid-Paratyphoid Vaccines - Vaccines used to prevent TYPHOID FEVER and/or PARATYPHOID FEVER which are caused by various species ...

Typhus, Endemic Flea-Borne - An infectious disease clinically similar to epidemic louse-borne typhus (TYPHUS, EPIDEMIC LOUSE-BORN...

Typhus, Epidemic Louse-Borne - The classic form of typhus, caused by RICKETTSIA PROWAZEKII, which is transmitted from man to man by...

Tyramine - An indirect sympathomimetic. Tyramine does not directly activate adrenergic receptors, but it can se...

Tyrocidine - An antibiotic mixture produced by Bacillus brevis which may be separated into three components, tyro...

Tyropanoate - A diagnostic aid as a radiopaque medium in cholecystography....

Tyrosine - A non-essential amino acid. In animals it is synthesized from PHENYLALANINE. It is also the precurso...

Tyrosine 3-Monooxygenase - An enzyme that catalyzes the conversion of L-tyrosine, tetrahydrobiopterin, and oxygen to 3,4-dihydr...

Tyrosine Decarboxylase - A pyridoxal-phosphate protein that catalyzes the conversion of L-tyrosine to tyramine and carbon dio...

Tyrosine Phenol-Lyase - An enzyme that catalyzes the cleavage of tyrosine to phenol, pyruvate, and ammonia. It is a pyridoxa...

Tyrosine Transaminase - An enzyme that catalyzes the conversion of L-TYROSINE and 2-oxoglutarate to 4-hydroxyphenylpyruvate ...

Tyrosinemias - A group of disorders which have in common elevations of tyrosine in the blood and urine secondary to...

Tyrosine-tRNA Ligase - An enzyme that activates tyrosine with its specific transfer RNA. EC 6.1.1.1....

Tyrothricin - A polypeptide antibiotic mixture obtained from Bacillus brevis. It consists of a mixture of three ty...

Tyrphostins - A family of synthetic protein tyrosine kinase inhibitors. They selectively inhibit receptor autophos...

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