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mondofacto - Online Medical Dictionary
Category: Health and Medicine > Medical Dictionary
Date & country: 26/01/2008, UK
Words: 116197
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TB<abbreviation> Commonly used abbreviation for tuberculosis. ... (27 Sep 1997) ...
TbetaR-I kinase<enzyme> Invovled in transforming growth factor-beta signal transduction ... Registry number: EC 2.7.1.- ... (26 Jun 1999) ...
TbetaR-II kinase<enzyme> Involved in transforming growth factor-beta signal transduction ... Registry number: EC 2.7.1.- ... (26 Jun 1999) ...
TBGSynonym for thyroid binding globulin ... <protein> Thyroid binding globulin (TBG) is a plasma protein which binds the majority of thyroid hormone in the bloodstream. Bound thyroid hormone is inactive, only the unbound fraction (0.3%) is considered active. Birth control pills and pregnancy can lead to increased TBG levels in the plasma. Androge …
TBISynonym for total body irradiation ... Radiotherapy often given in several doses prior to bone marrow transplantation with the aim of killing any residual leukaemia in the patient. It is used in conjunction with high-dose anti-cancer drugs. The procedure and its side-effects will be discussed individually with the patient. ... (13 Nov 1997) ...
tBoc<abbreviation> Tert-butyloxycarbonyl. ... (05 Mar 2000) ...
TBP<abbreviation> Thyroxine-binding protein. ... (05 Mar 2000) ...
TBPA<abbreviation> Thyroxine-binding prealbumin. ... (05 Mar 2000) ...
TBV<abbreviation> Total blood volume. ... (05 Mar 2000) ...
TBW<abbreviation> Total body water. ... (05 Mar 2000) ...
TcSymbol for technetium. ... (05 Mar 2000) ...
Tc 120 proteinase<enzyme> Found in cell-free extracts of trypanosoma cruzi epimastigotes; 120 kD protein; hydrolyzes n-z-gly-gly-arg-amc as well as n-z-arg-amc, n-z-phe-arg-amc and n-glutaryl-gly-arg-amc ... Registry number: EC 3.4.22.- ... Synonym: alkaline protease (t cruzi) ... (26 Jun 1999) ...
TCA cycleSynonym for tricarboxylic acid cycle ... <biochemistry> The central feaure of oxidative metabolism. Cyclic reactions whereby acetyl CoA is oxidized to carbon dioxide providing reducing equivalents (NADH or FADH2) to power the electron transport chain. Also provides intermediates for biosynthetic processes. ... (16 Dec 1997) ...
TCK receptor-tyrosine kinase<enzyme> A member of the eph receptor tyrosine kinase subfamily; expressed during xenopus development; shows 79% amino acid identity to hek2; genbank l43621 ... Registry number: EC 2.7.1.- ... Synonym: tck protein ... (26 Jun 1999) ...
TDP<abbreviation> Ribothymidine 5'-diphosphate. The thymidine analog is dTDP. ... (05 Mar 2000) ...
TDTH cellsA functional subset of T helper cells that are involved in delayed-type hypersensitivity reactions. ... (05 Mar 2000) ...
Te1. In electrodiagnosis, abbreviation denoting tetanic contraction. ... 2. Symbol for tellurium. ... 3. In magnetic resonance spin echo pulse sequences, the time to echo, when the magnetization signal is sampled. ... (05 Mar 2000) ...
te deum1. An ancient and celebrated Christian hymn, of uncertain authorship, but often ascribed to St. Ambrose; so called from the first words 'Te Deum laudamus.' It forms part of the daily matins of the Roman Catholic breviary, and is sung on all occasions of thanksgiving. In its English form, commencing with words, 'We praise thee, O God,' it forms a pa …
te&s speciesSee Threatened, endangered, and sensitive species. ... (05 Dec 1998) ...
tea1. The prepared leaves of a shrub, or small tree (Thea, or Camellia, Chinensis). The shrub is a native of China, but has been introduced to some extent into some other countries. ... Teas are classed as green or black, according to their colour or appearance, the kinds being distinguished also by various other characteristic differences, as of taste …
teachers' nodesSynonym for vocal cord nodules ... Small, circumscribed, bilateral, beadlike enlargements on the vocal cords caused by overuse or abuse of the voice; often reversible by voice therapy. ... Synonym: singer's nodes, singer's nodules, teachers' nodes. ... (05 Mar 2000) ...
teachingThe educational process of instructing. ... (12 Dec 1998) ...
teaching hospitalA hospital that also functions as a formal centre of learning for the training of physicians, nurses, and allied health personnel. ... (05 Mar 2000) ...
teaching materialsInstructional materials used in teaching. ... (12 Dec 1998) ...
TEAE-celluloseCellulose to which triethylaminoethyl groups have been attached; used in ion-exchange chromatography. ... Synonym: O-(triethylaminoethyl) cellulose. ... (05 Mar 2000) ...
teak<botany> A tree of East Indies (Tectona grandis) which furnishes an extremely strong and durable timber highly valued for shipbuilding and other purposes; also, the timber of the tree. ... Alternative forms: teek African teak, a tree (Oldfieldia Africana) of Sierra Leone; also, its very heavy and durable wood; called also African oak. New Zela …
teal<zoology> Any one of several species of small fresh water ducks of the genus Anas and the subgenera Querquedula and Nettion. The male is handsomely coloured, and has a bright green or blue speculum on the wings. ... The common European teal (Anas crecca) and the European blue-winged teal, or garganey (A. Querquedula or A. Circia), are well-kno …
TealeThomas P., English surgeon, 1801-1868. ... See: Teale's amputation. ... (05 Mar 2000) ...
Teale's amputationAmputation of the forearm in its lower half, or of the thigh, with a long posterior rectangular flap and a short anterior one, amputation of the leg, with a long anterior rectangular flap and a short posterior one. ... (05 Mar 2000) ...
team1. A group of young animals, especially of young ducks; a brood; a litter. 'A team of ducklings about her.' (Holland) ... 2. Hence, a number of animals moving together. 'A long team of snowy swans on high.' (Dryden) ... 3. Two or more horses, oxen, or other beasts harnessed to the same vehicle for drawing, as to a coach, wagon, sled, or the like. 'A …
tear1. To separate by violence; to pull apart by force; to rend; to lacerate; as, to tear cloth; to tear a garment; to tear the skin or flesh. 'Tear him to pieces; he's a conspirator.' (Shak) ... 2. Hence, to divide by violent measures; to disrupt; to rend; as, a party or government torn by factions. ... 3. To rend away; to force away; to remove by force …
tear drop fracture<radiology> Avulsion of anterioinferior corner of cervical vertebral body by anterior ligament, most severe and unstable injury of the cervical spine, often the result of diving into shallow water, may be secondary to hyperflexion or hyperextension, typically at C2 see: cervical spine fractures ... (12 Dec 1998) ...
tear filmSynonym for precorneal film ... A protective film, 7 to 9 nm thick, consisting of external oily, intermediate watery, and deep mucoprotein layers. ... Synonym: tear film. ... (05 Mar 2000) ...
tear gasA gas, such as acetone, benzene bromide, and xylol, that causes irritation of the conjunctiva and profuse lacrimation. ... See: lacrimator. ... (05 Mar 2000) ...
tear gasesGases that irritate the eyes, throat, or skin. Severe lacrimation develops upon irritation of the eyes. ... (12 Dec 1998) ...
tear sacSynonym for lacrimal sac ... The upper portion of the nasolacrimal duct into which empty the two lacrimal canaliculi; empty. ... Synonym: saccus lacrimalis, dacryocyst, sacculus lacrimalis, tear sac. ... (05 Mar 2000) ...
tear stoneSynonym for dacryolith ... A concretion in the lacrimal apparatus. ... Synonym: lacrimal calculus, ophthalmolith, tear stone. ... Origin: dacryo-+ G. Lithos, stone ... (05 Mar 2000) ...
tearing mode<radiobiology> A resistive magnetohydrodynamic instability which is spatially localised near a rational surface and which grows at a rate slower than the magnetohydrodynamic Alfven rate, but faster than the resistive skin diffusion rate. The instability tears magnetic field lines and reconnects them into a new state of lower magnetic energy.< …
tearsThe watery secretion of the lacrimal glands which serve to moisten the conjunctiva; the secretion is slightly alkaline and saline. ... (12 Dec 1998) ...
tease1. To comb or card, as wool or flax. 'Teasing matted wool.' ... 2. To stratch, as cloth, for the purpose of raising a nap; teasel. ... 3. <anatomy> To tear or separate into minute shreds, as with needles or similar instruments. ... 4. To vex with importunity or impertinence; to harass, annoy, disturb, or irritate by petty requests, or by jests a …
teasel1. <botany> A plant of the genus Dipsacus, of which one species (D. Fullonum) bears a large flower head covered with stiff, prickly, hooked bracts. This flower head, when dried, is used for raising a nap on woolen cloth. ... Small teasel is Dipsacus pilosus, wild teasel is D. Sylvestris. ... 2. A bur of this plant. ... 3. Any contrivance intende …
teaspoonLike a tablespoon, a teaspoon is an old-fashionned but convenient household measure. A teaspoon holds about 5 cc. Three teaspoons = a tablespoon. ... (12 Dec 1998) ...
teatSynonym: nipple, breast, papilla. ... Origin: A.S. Tit ... (05 Mar 2000) ...
tebutateUSAN-approved contraction for tertiary butylacetate, (CH3)3C-CH2-CO2-. ... (05 Mar 2000) ...
Tec protein-tyrosine kinase<enzyme> Member of the cytoplasmic ptks of the non-src family; associates with lyn ptk; n-terminal amino acid sequence given in first source ... Registry number: EC 2.7.1.- ... Synonym: tec ptk, tec kinase, tec tyrosine kinase ... (26 Jun 1999) ...
technetium<radiology> Tc-99m, half-life: 6.03 hr, decay: isomeric transition, radiation: gamma, 140 keV (98%) ... (12 Dec 1998) ...
technetium compoundsInorganic compounds that contain technetium as an integral part of the molecule. ... (12 Dec 1998) ...
technetium tc 99m disofenin<chemical> A radiopharmaceutical used extensively in cholescintigraphy for the evaluation of hepatobiliary diseases. ... Pharmacological action: radiopharmaceuticals. ... (12 Dec 1998) ...
technetium tc 99m exametazime<chemical> A gamma-emitting radionuclide imaging agent used in the evaluation of regional cerebral blood flow and in non-invasive dynamic biodistribution studies and myocardial imaging. It has also been used to label leukocytes in the investigation of inflammatory bowel diseases. ... Pharmacological action: radiopharmaceuticals. ... (12 Dec 199 …
technetium tc 99m lidofenin<chemical> A nontoxic radiopharmaceutical that is used in the clinical evaluation of hepatobiliary disorders in humans. (j nucl med 1977;18(10):997-1004) ... Pharmacological action: radiopharmaceuticals. ... (12 Dec 1998) ...
technetium tc 99m medronate<chemical> A gamma-emitting radionuclide imaging agent used primarily in skeletal scintigraphy. Because of its absorption by a variety of tumours, it is useful for the detection of neoplasms. ... Pharmacological action: radiopharmaceuticals. ... (12 Dec 1998) ...
technetium tc 99m mertiatide<chemical> A technetium diagnostic aid used in renal function determination. ... Pharmacological action: radiopharmaceuticals. ... Chemical name: Technetate(2-)-99Tc, (N-(N-(N-(mercaptoacetyl)glycyl)glycyl)glycinato(5-)-N,N',N'',S)oxo-, disodium, (SP-5-25)- ... (12 Dec 1998) ...
technetium tc 99m pentetate<chemical> A technetium imaging agent used in renal scintigraphy, computed tomography, lung ventilation imaging, gastrointestinal scintigraphy, and many other procedures which employ radionuclide imaging agents. ... Pharmacological action: chelating agents, radiopharmaceuticals. ... Chemical name: Technetate(1-)-99Tc, (N,N-bis(2-(bis(carboxymet …
technetium tc 99m pyrophosphate<chemical> A radionuclide imaging agent used primarily in scintigraphy or tomography of the heart to evaluate the extent of the necrotic myocardial process. It has also been used in noninvasive tests for the distribution of organ involvement in different types of amyloidosis and for the evaluation of muscle necrosis in the extremities. ... Pha …
technetium tc 99m sestamibi<chemical> (oc-6-11)-hexakis(1-isocyano-2-methoxy-2-methylpropane)technetium(1+)-99mtc. A technetium imaging agent used to reveal blood-starved cardiac tissue during a heart attack. ... Pharmacological action: radiopharmaceuticals. ... Chemical name: Technetium(1+)-99Tc, hexakis(1-isocyano-2-methoxy-2-methylpropane)-, (OC-6-11)- ... (12 Dec 1998 …
technetium tc 99m sulfur colloid<chemical> A gamma-emitting radionuclide imaging agent used for the diagnosis of diseases in many tissues, particularly in the gastrointestinal system, liver, and spleen. ... Pharmacological action: radiopharmaceuticals. ... (12 Dec 1998) ...
technetium-99A radioisotope of technetium which is the decay product of technetium-99m and has a weak beta emission and a physical half-life of 213,000 years. ... (05 Mar 2000) ...
technetium-99mA radioisotope of technetium which decays by isomeric transition, emitting an essentially monoenergetic gamma ray of 142 keV with a half-life of 6.01 hr. It is usually obtained from a radionuclide generator of molybdenum-99 and is used to prepare radiopharmaceuticals for scanning the brain, parotid, thyroid, lungs, blood pool, liver, heart, spleen, …
technicSynonym for technique ... The manner of performance, or the details, of any surgical operation, experiment, or mechanical act. ... See: method, operation, procedure. ... Synonym: technic. ... Origin: Fr., fr. G. Technikos, relating to techne, art, skill ... (05 Mar 2000) ...
technical1. Relating to technique. ... 2. Pertaining to some particular art, science, or trade. ... 3. In connection with a chemical substance, denoting that the substance contains appreciable quantities of impurities. ... (05 Mar 2000) ...
technical errorThat component of experimental error that is due to the conduct of the experiment and in principle estimated by replicate determinations on aliquots from the same specimen. ... (05 Mar 2000) ...
technical reportA formal report giving details of the investigation and results of a medical or other scientific problem. When issued by a government agency or comparable official body, its contents may be classified, unclassified, or declassified with regard to security clearance. This publication type may also cover a scientific paper or article that records the …
technician<specialist> One with the knowledge and skill to carry out a specific technical procedure. ... (27 Sep 1997) ...
techniqueThe manner of performance, or the details, of any surgical operation, experiment, or mechanical act. ... See: method, operation, procedure. ... Synonym: technic. ... Origin: Fr., fr. G. Technikos, relating to techne, art, skill ... (05 Mar 2000) ...
technocausisSynonym: actual cautery. ... Origin: G. Techne, art, + kausis, a burning ... (05 Mar 2000) ...
technology assessment, biomedicalEvaluation of biomedical technology in relation to cost, efficacy, utilization, etc., and its future impact on social, ethical, and legal systems. ... (12 Dec 1998) ...
technology transferThe process of converting scientific findings from research laboratoriesinto useful products by the commercial sector. ... (09 Oct 1997) ...
technology, dentalThe field of dentistry involved in procedures for designing and constructing dental appliances. It includes also the application of any technology to the field of dentistry. ... (12 Dec 1998) ...
technology, high-costAdvanced technology that is costly, requires highly skilled personnel, and is unique in its particular application. Includes innovative, specialised medical/surgical procedures as well as advanced diagnostic and therapeutic equipment. ... (12 Dec 1998) ...
technology, medicalThe application of scientific knowledge or technology to the field of medicine. It includes a variety of medical diagnostic and clinical laboratory procedures. Medical technology is also considered a specialty. ... (12 Dec 1998) ...
technology, medical laboratoryThe application of scientific knowledge or technology in medical laboratories as facilities equipped to carry out investigative procedures in the diagnosis and therapy of disease. It includes methods, techniques, and instrumentation used in medical laboratories. ... (12 Dec 1998) ...
technology, pharmaceuticalThe application of scientific knowledge or technology to pharmacy, pharmacology, and the pharmaceutical industry. It includes methods, techniques, and instrumentation in the manufacture, preparation, compounding, dispensing, packaging, and storing of drugs and other preparations used in diagnostic and determinative procedures and in the treatment o …
technology, radiologicThe application of scientific knowledge or technology to the field of radiology. The applications centre mostly around X-ray or radioisotopes for diagnostic and therapeutic purposes but the technological applications of any radiation or radiologic procedure is within the scope of radiologic technology. ... (12 Dec 1998) ...
technology, recombinant DNAA series of procedures used to join together (recombine) DNA segments. A recombinant DNA molecule is constructed (recombined) from segments from 2 or more different DNA molecules. Under certain conditions, a recombinant DNA molecule can enter a cell and replicate there, autonomously (on its own) or after it has become integrated into a chromosome.< …
teclothiazideSynonym for tetrachlormethiazide ... 6-chloro-3,4-dihydro-3-trichloromethyl-2H-1,2,4 -benzothiadiazine-7-sulfonamide 1,1-dioxide;a diuretic of the thiazide type. ... Synonym: teclothiazide. ... (05 Mar 2000) ...
tectalRelating to a tectum. ... (05 Mar 2000) ...
tectal nucleusSynonym for fastigial nucleus ... The most medial of the cerebellar nuclei, lying medial to the interpositus nucleus, near the midline, in the white matter underneath the vermis of the cerebellar cortex. It receives the axons of Purkinje cells from all parts of the vermis. Its major projection is to the vestibular nuclei and medullary reticular form …
tectal striaSynonym for lateral longitudinal stria ... A thin longitudinal band of nerve fibres accompanied by gray matter, near each outer edge of the upper surface of the corpus callosum under cover of the cingulate gyru. ... Synonym: stria longitudinalis lateralis, stria tecta, tectal stria. ... (05 Mar 2000) ...
tectibranchiata<zoology> An order, or suborder, of gastropod Mollusca in which the gills are usually situated on one side of the back, and protected by a fold of the mantle. When there is a shell, it is usually thin and delicate and often rudimentary. The aplysias and the bubble shells are examples. ... Origin: NL, fr. L. Tectus (p.p. Of tegere to cover) + G …
tectiformRoof-shaped. ... (05 Mar 2000) ...
tectiviridaeA family of lipid-containing bacteriophages with double capsids which infect both gram-negative and gram-positive bacteria. It has one genus, tectivirus. ... (12 Dec 1998) ...
tectobulbar tractFibres originating in the deep layers of the superior colliculus and accompanying the tectospinal tract but, unlike the latter, terminating in medial regions of the pontine and medullary tegmentum. ... Synonym: tractus tectobulbaris. ... (05 Mar 2000) ...
tectocephalicSynonym: scaphocephalic. ... Origin: L. Tectum, roof, + G. Kephale, head ... (05 Mar 2000) ...
tectology<biology> A division of morphology created by Haeckel; the science of organic individuality constituting the purely structural portion of morphology, in which the organism is regarded as composed of organic individuals of different orders, each organ being considered an individual. See Promorphology, and Morphon. ... Origin: Gr. A carpenter.
tectonic
1. Relating to variations in structure in the eye, particularly the cornea. ... 2. Obsolete term denoting plastic surgery or the restoration of lost parts by grafting. ... Origin: G. Tektonikos, relating to building ... (05 Mar 2000) ...
tectonic keratoplasty
Grafting to replace lost corneal tissue. ... (05 Mar 2000) ...
tectopontine tract
A fibre bundle arising in the superior colliculus, passing caudoventrally on the same side along the medial side of the lateral lemniscus, issuing fibres terminating in the lateral zone of the mesencephalic tegmentum, and ending in the lateral part of the gray matter of the ventral part of the pons. ... Synonym: tract of Munzer and Wiener, tractus t …
tectorial membrane
A gelatinous membrane, attached to the bony spiral lamina, which overlies the hair cells within the cochlea of the inner ear. ... (12 Dec 1998) ...
tectorial membrane of cochlear duct
A gelatinous membrane that overlies the spiral organ (Corti) in the inner ear. ... Synonym: membrana tectoria ductus cochlearis, Corti's membrane, tectorium. ... (05 Mar 2000) ...
tectorium
1. An overlaying structure. ... Synonym: tectorial membrane of cochlear duct. ... Origin: L. An overlaying surface (plaster, stucco), fr. Tego, pp. Tectus, to cover ... (05 Mar 2000) ...
tectospinal
Denoting nerve fibres passing from the mesencephalic tectum to the spinal cord. ... (05 Mar 2000) ...
tectospinal decussation
See: tegmental decussations. ... (05 Mar 2000) ...
tectospinal tract
A bundle of thick, heavily myelinated fibres originating in the deep layers of the superior colliculus, crossing to the opposite side in the dorsal tegmental decussation, descending along the median plane, between the medial longitudinal fasciculus dorsally, the medial lemniscus ventrally, into the anterior funiculus of the spinal cord. The tract e …
tectum
Any rooflike covering or structure. ... Origin: L. Roof, roofed structure, fr. Tego, pp. Tectus, to cover ... (05 Mar 2000) ...
tectum mesencephali
Synonym for lamina of mesencephalic tectum ... The roofplate of the mesencephalon formed by the quadrigeminal bodies. ... Synonym: lamina tecti mesencephali, tectum mesencephali, lamina quadrigemina, quadrigeminal lamina, quadrigeminal plate. ... (05 Mar 2000) ...
TEDD
<abbreviation> Total end-diastolic diameter. ... (05 Mar 2000) ...
tedelparin
<chemical> A low-molecular-weight fragment of heparin, prepared by nitrous acid depolymerization of porcine mucosal heparin. The mean molecular weight is 4000-6000 daltons. It is used therapeutically as an antithrombotic agent. ... Pharmacological action: anticoagulant, fibrinolytic agent. ... (12 Dec 1998) ...
teel oil
Synonym for sesame oil ... <chemical> The refined fixed oil obtained from the seed of one or more cultivated varieties of sesamum indicum. It is used as a solvent and oleaginous vehicle for drugs and has been used internally as a laxative and externally as a skin softener. It is used also in the manufacture of margarine, soap, and cosmetics.
teem
1. To bring forth young, as an animal; to produce fruit, as a plant; to bear; to be pregnant; to conceive; to multiply. 'If she must teem, Create her child of spleen.' (Shak) ... 2. To be full, or ready to bring forth; to be stocked to overflowing; to be prolific; to abound. 'His mind teeming with schemes of future deceit to cover former villainy.' …
teetee
1. <zoology> Any one of several species of small, soft-furred South American monkeys belonging to Callithrix, Chrysothrix, and allied genera; as, the collared teetee (Callithrix torquatus), and the squirrel teetee (Chrysothrix sciurea). ... Synonym: pinche, titi, and saimiri. See Squirrel monkey, under Squirrel. ... 2. <zoology> A diving …
