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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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TITh<abbreviation> 3,5,3'-triiodothyronine. ... (05 Mar 2000) ...
tithe1. A tenth; the tenth part of anything; specifically, the tenthpart of the increase arising from the profits of land and stock, allotted to the clergy for their support, as in England, or devoted to religious or charitable uses. Almost all the tithes of England and Wales are commuted by law into rent charges. 'The tithes of the corn, the new wine, …
tithing1. The act of levying or taking tithes; that which is taken as tithe; a tithe. 'To take tithing of their blood and sweat.' (Motley) ... 2. A number or company of ten householders who, dwelling near each other, were sureties or frankpledges to the king for the good behavior of each other; a decennary. ... Origin: AS. Teoung. ... Source: Websters Dictio …
titillationThe act or sensation of tickling. ... Origin: L. Titillatio, fr. Titillo, pp. -atus, to tickle ... (05 Mar 2000) ...
titin<cell biology> Family of enormous proteins (2000-3500 kD) found in the sarcomere of striated muscle. Form a scaffolding of elastic fibres that may be important for correct assembly of the sarcomere. Each titin molecule spans from M line to Z disc. ... (18 Nov 1997) ...
title1. An inscription put over or upon anything as a name by which it is known. ... 2. The inscription in the beginning of a book, usually containing the subject of the work, the author's and publisher's names, the date, etc. ... 3. The panel for the name, between the bands of the back of a book. ... 4. A section or division of a subject, as of a law, a b …
titling1. <zoology> The hedge sparrow; called also titlene. Its nest often chosen by the cuckoo as a place for depositing its own eggs. 'The titling, . . . Being thus deceived, hatcheth the egg, and bringeth up the chick of another bird.' (Holland) ... The meadow pipit. ... 2. Stockfish; formerly so called in customhouses. ... Origin: Icel. Titlingr a …
titmouseOrigin: OE. Titemose, titmase; tit small, or a small bird + AS. Mase a kind of small bird; akin to D. Mees a titmouse, G. Meise, OHG. Meisa, Icel. Meisingr. The English form has been influenced by the unrelated word mouse. Cf. Tit a small bird. ... <ornithology> Any one of numerous species of small insectivorous singing birds belonging to Paru …
titrantIn chemistry, the solution that is added (titrated with) in a titration. ... (05 Mar 2000) ...
titratable acidity testThe number of milliliters of 0.1 n NaOH required to neutralise a 24-hr specimen of urine. ... (05 Mar 2000) ...
titrateA chemistry lab technique used to find out the concentration of a substance (or concentrations of substances) by slowly putting in a known amount of another substance which can neutralise the effects of the unknown substance. A colour indicator (which reacts with neither) is also included, the colour of the solution changes when all of the unknown …
titre<chemistry> The quantity of a substance required to produce a reaction with a given volume of another substance or the amount of one substance required to correspond with a given amount of another substance. ... Origin: Fr. Titre = standard ... (13 Nov 1997) ...
titrimetryChemical analysis by titration, the determination of a given component in solution by addition of a liquid reagent of known strength until a given endpoint (e.g., a change in colour) is reached. ... (12 Dec 1998) ...
titubation1. A staggering or stumbling in trying to walk. ... 2. A tremor or shaking of the head, of cerebellar origin. ... Origin: L. Titubo, pp. -atus, to stagger ... (05 Mar 2000) ...
Tizzoni, Guido<person> Italian physician, 1853-1932. ... See: Tizzoni's stain. ... (05 Mar 2000) ...
Tizzoni's stain<technique> A stain used as a test for iron in tissue; the tissue is treated with a solution of potassium ferrocyanide and then with dilute hydrochloric acid; a blue colouration indicates the presence of iron. ... (05 Mar 2000) ...
TlSymbol for thallium. ... (05 Mar 2000) ...
TL antigen<immunology> The mouse antigens coded for by the TLa complex, in normal animals only found on intrathymic lymphocytes, but also seen on leukaemic cells (hence, thymus leukaemia antigen) in certain forms of the disease in mice. The molecules have structures similar in some ways to Class I MHC products but are disulphide bonded tetramers of two …
TLa complex<molecular biology> Genes coding for and controlling TL antigens, the complex is situated close to the H 2 complex on mouse chromosome 17 and resembles H 2 in several ways. ... (18 Nov 1997) ...
TLC<abbreviation> thin-layer chromatography, total lung capacity. ... (05 Mar 2000) ...
TLESynonym for thin-layer electrophoresis ... Electrophoretic migrations (separations) through a thin layer of inert material, such as cellulose, supported on a glass or plastic plate. ... (05 Mar 2000) ...
Tli polymerase<enzyme> Used in polymerase chain reactions; contains a 3'-5' proofreading exonuclease activity ... Registry number: EC 2.7.7.- ... Synonym: thermococcus litoralis DNA polymerase, vent, vent(exo-) DNA polymerase, vent(r) DNA polymerase ... (26 Jun 1999) ...
TLVSynonym for threshold limit value ... The maximum concentration of a chemical recommended by the American Conference of Government Industrial Hygienists for repeated exposure without adverse health effects on workers. ... (05 Mar 2000) ...
TmSymbol for thulium; transport maximum or tubular maximum. ... Symbol for temperature midpoint (kelvin); melting point. ... (05 Mar 2000) ...
Tm cellsT helper cells that have an Fc receptor for immunoglobulin M molecules. ... (05 Mar 2000) ...
TM-1 alpha-fibrinogenase<enzyme> Isolated from the venom of taiwan habu, trimeresurus mucrosqamatus ... Registry number: EC 3.4.24.- ... (26 Jun 1999) ...
TM-2 alpha-fibrinogenase<enzyme> Isolated from the venom of taiwan habu, trimeresurus mucrosquamatus ... Registry number: EC 3.4.24.- ... (26 Jun 1999) ...
TM-3 alpha-fibrinogenase<enzyme> Isolated from the venom of taiwan habu, trimeresurus mucrosquamatus ... Registry number: EC 3.4.24.- ... (26 Jun 1999) ...
TM-modeSynonym for M-mode ... A diagnostic ultrasound presentation of the temporal changes in echoes in which the depth of echo-producing interfaces is displayed along one axis with time (T) along the second axis; motion (M) of the interfaces toward and away from the transducer is displayed. ... Synonym: TM-mode. ... (05 Mar 2000) ...
TMASee Trimethylaminuria ... (12 Dec 1998) ...
TMD<abbreviation> Temporomandibular joint dysfunction. ... (05 Mar 2000) ...
TMJSynonym for temporomandibular joint ... <anatomy, dentistry> The joint that connects the lower jaw to the skull. ... (12 Jan 1998) ...
tmj syndrome<syndrome> Disorder of the temporo-mandibular joint(s) causing pain usually in front of the ear(s). ... (12 Dec 1998) ...
TMP<abbreviation> Ribothymidylic acid; trimethoprim; sometimes for deoxyribothymidylic acid. ... (05 Mar 2000) ...
tmp-smxA combination antibiotic drug effective at preventing and treating PCP pneumonia. May also be effective against toxoplasmosis and bacterial infections. Possible side effects include skin rash (which on rare occasions spreads to other body surfaces and becomes life-threatening Stevens-Johnson syndrome), digestive disturbances, bone marrow suppressio …
Tn<abbreviation> Ocular tension. ... (05 Mar 2000) ...
TNFSynonym for tumour necrosis factor ... <cytokine> Originally described as a tumour inhibiting factor in the blood of animals exposed to bacterial lipopolysaccharide or Bacille Calmette-Guerin. ... Preferentially kills tumour cells in vivo and in vitro, causes necrosis of certain transplanted tumours in mice and inhibits experimental metastases. …
TNF-IL1-activated protein kinase<enzyme> Phosphorylates beta casein in vitro; not the same as casein kinase 1 and casein kinase 2; not activated by mitogens, celllular stresses or any other cytokines than il1 and tnf ... Registry number: EC 2.7.1.- ... Synonym: tip kinase, beta casein kinase ... (26 Jun 1999) ...
TNM<abbreviation> Tumour-node-metastasis. ... See: TNM staging. ... (05 Mar 2000) ...
TNM classificationTNM classification provides a system for staging the occurrence of cancer., T refers to the primary tumour and is categorised as being 1-4 and a-d depending upon site, size and spread, N refers to the lymph nodes and they are categorised as being X,0, 1, 2, or 3 depending upon if any, some or all are involved metastasis, and M to the presence or ab …
TNM stagingA system of clinicopathologic evaluation of tumours based on the extent of tumour involvement at the primary site (T, followed by a number indicating size and depth of invasion), and lymph node involvement (N) and metastasis (M) each followed by a number starting at 0 for no evident metastasis; numbers used depend on the organ involved and influenc …
tnpI recombinase<enzyme> From tn2i and related beta-lactamase transposons ... Registry number: EC 2.7.7.- ... (26 Jun 1999) ...
TNT<abbreviation> Trinitrotoluene. ... (05 Mar 2000) ...
TO<abbreviation> Theiler's Original, Theiler's original strain of mouse encephalomyelitis virus. ... (05 Mar 2000) ...
to-and-fro anaesthesiaAnaesthesia using of a valveless closed anaesthesia circuit in which respired gases pass back and forth through a carbon dioxide absorbent interposed between patient and respiratory reservoir bag. ... (05 Mar 2000) ...
to-and-fro murmurMurmur heard in both systole and diastole of the heart, as in aortic stenosis and insufficiency. ... Synonym: seesaw murmur. ... (05 Mar 2000) ...
to-and-fro soundDoubling of an abnormal murmur usually in systole and diastole and formerly applied to pericardial rubs. ... (05 Mar 2000) ...
toad<zoology> Any one of numerous species of batrachians belonging to the genus Bufo and allied genera, especially those of the family Bufonidae. Toads are generally terrestrial in their habits except during the breeding season, when they seek the water. most of the species burrow beneath the earth in the daytime and come forth to feed on insects …
toad skinSynonym for phrynoderma ... A follicular hyperkeratotic eruption thought to be due to deficiency of vitamin A. ... Synonym: toad skin. ... Origin: G. Phrynos, toad, + derma, skin ... (05 Mar 2000) ...
toadeaterA fawning, obsequious parasite; a mean sycophant; a flatterer; a toady. 'You had nearly imposed upon me, but you have lost your labour. You're too zealous a toadeater, and betray yourself.' (Dickens) ... Origin: Said to be so called in allusion to an old alleged practice among mountebanks' boys of eating toads (popularly supposed to be poisonous), i …
toast1. To dry and brown by the heat of a fire; as, to toast bread. ... 2. To warm thoroughly; as, to toast the feet. ... 3. To name when a health is proposed to be drunk; to drink to the health, or in honor, of; as, to toast a lady. ... Origin: OF. Toster to roast, toast, fr. L. Torrere, tostum, to parch, roast. See Torrid. ... 1. Bread dried and browned b …
toasted shinsSynonym for erythema caloricum ... A reticulated, pigmented, macular eruption that occurs, mostly on the shins, of bakers, stokers, and others exposed to radiant heat. ... Synonym: erythema ab igne, toasted shins. ... (05 Mar 2000) ...
tobacco1. <botany> An American plant (Nicotiana Tabacum) of the Nightshade family, much used for smoking and chewing, and as snuff. As a medicine, it is narcotic, emetic, and cathartic. Tobacco has a strong, peculiar smell, and an acrid taste. ... The name is extended to other species of the genus, and to some unrelated plants, as Indian tobacco (Nic …
tobacco anionic peroxidase<enzyme> Has been shown to oxidise a number of significant plant secondary cpds in vitro; from nicotiana tabacum; expressed in highest level in lignifying and epidermal tissue; aa sequence known; genbank l02124 ... Registry number: EC 1.11.1.- ... (26 Jun 1999) ...
tobacco heartCardiac irritability marked by irregular action, palpitation, and sometimes pain, believed to occur as a result of the excessive use of tobacco. ... (05 Mar 2000) ...
tobacco industryThe aggregate business enterprise of agriculture, manufacture, and distribution related to tobacco and tobacco-derived products. ... (12 Dec 1998) ...
tobacco mosaic virus<virology> Plant RNA virus, the first to be isolated. Consists of a single central strand of RNA (a helix of 6500 nucleotides) enclosed within a coat consisting of 2130 identical capsomeres that, in the absence of the RNA, will self assemble into a cylinder similar to the normal virus but of indeterminate length. Causes mottling of the leaves …
tobacco mosaic virus replicase<enzyme> Involved in resistance of plants to tmv; transgenic plants expressing additional insertion (an is10-like transposable element) in the tmv replicase gene are resistant to tmv ... Registry number: EC 2.7.7.- ... Synonym: tmv 183 kD replicase ... (26 Jun 1999) ...
tobacco mosaic virus satelliteA spherical RNA satellite virus which requires an obligatory rod-shaped helper tobacco mosaic virus for replication. ... (12 Dec 1998) ...
tobacco smoke pollutionContamination of the air by tobacco smoke. ... (12 Dec 1998) ...
tobacco use disorderTobacco used to the detriment of a person's health or social functioning. Tobacco dependence is included. ... (12 Dec 1998) ...
tobacco, smokelessThe powdered leaves of nicotiana tabacum which are either inhaled through the nose, chewed, or stored in cheek pouches. It includes any product of tobacco that is not smoked. ... (12 Dec 1998) ...
tobamovirusA genus of plant viruses in which the virion is a rigid filament. Transmission is by mechanical inoculation or seed. The type species is tobacco mosaic virus. ... (12 Dec 1998) ...
Tobia feverSynonym for rocky mountain spotted fever ... <infectious disease> An acute febrile (feverish) disease initially recognised in the Rocky Mountain states, caused by Rickettsia rickettsii transmitted by hard-shelled (ixodid) ticks. Occurs only in the Western Hemisphere. ... The disease is characterised by sudden onset of headache, chills and fever …
tobramycin<chemical> O-3-amino-3-deoxy-alpha-d-glucopyranosyl-(1-4)-o-(2,6- diamino-2,3,6-trideoxy-alpha-d-ribohexopyranosyl-(1-4))-2- deoxy-d-streptamine. An aminoglycoside, broad-spectrum antibiotic produced by streptomyces tenebrarius. It is effective against gram-negative bacteria, especially the pseudomonas species. It is a 10% component of the an …
tobramycin adenylyltransferase<enzyme> Substrate aminoglycosides may be replaced by specific antibiotic ... Registry number: EC 2.7.7.- ... Synonym: aminoglycoside 4'-adenylyltransferase, aminocyclitol adenylyltransferase, aminoglycoside 4,4'-adenylyltransferase, 4,4''-aminoglycoside nucleotidyltransferase ... (26 Jun 1999) ...
Tobruk splintA Thomas splint, applied and held in plaster with plaster of Paris dressings; a splint first used during World War II to immobolise the limb during hazardous conditions such as transport from small to large boats. ... Origin: port of Tobruk, Libya ... (05 Mar 2000) ...
toc-Stemming from the Greek word tokos meaning childbirth, we have toc-, toco-, tok-, and toko- as combining forms, all referring to labour or childbirth. ... (12 Dec 1998) ...
tocainide<chemical> 2-amino-n-(2,6-dimethylphenyl)propanamide. An antiarrhythmic agent which exerts a potential- and frequency-dependent block of sodium channels. It is generally well tolerated but induces pulmonary complications in some patients. ... Pharmacological action: anti-arrhythmia agents. ... Chemical name: Propanamide, 2-amino-N-(2,6-dimethyl …
tocainide hydrochloride2-Amino-2',6'-propionoxylidide hydrochloride;an oral antiarrhythmic agent, similar in action to lidocaine, used in the treatment of ventricular arrhythmias. ... (05 Mar 2000) ...
tocamphylP,alpha-Dimethylbenzyl camphorate, diethanolamine salt;a choleretic. ... (05 Mar 2000) ...
toco1. <zoology> A toucan (Ramphastos toco) having a very large beak. ... 2. <prefix> Relating to childbirth. ... Origin: G. Tokos, birth ... (21 Jun 2000) ...
tocochromanol-3<chemical> An alpha-tocotrienol. ... See: tocotrienol. ... (05 Mar 2000) ...
tocodynagraph<apparatus, obstetrics> A recording of the force of uterine contractions. ... Synonym: tocograph. ... Origin: toco-+ G. Dynamis, force, + graphe, a writing ... (05 Mar 2000) ...
tocodynamometerAn instrument for measuring the force of uterine contractions. ... Synonym: tocometer. ... Origin: toco-+ G. Dynamis, force, + metron, measure ... (05 Mar 2000) ...
tocographSynonym for tocodynagraph ... <apparatus, obstetrics> A recording of the force of uterine contractions. ... Synonym: tocograph. ... Origin: toco-+ G. Dynamis, force, + graphe, a writing ... (05 Mar 2000) ...
tocographyThe process of recording uterine contractions. ... Origin: toco-+ G. Grapho, to write ... (05 Mar 2000) ...
tocolFundamental unit of the tocopherols; 6-phytylhydroquinone (see structure A, in figure) becomes, in the chromanol form, 2-methyl-2-(4,8,12-trimethyltridecyl)chroman-6-ol (structure B, in figure). ... (05 Mar 2000) ...
tocolysisThe inhibition of labour, the delaying or halting of labour. From toco- + lysis meaning, in this sense, dissolution = the dissolution of labour. ... (12 Dec 1998) ...
tocolyticA drug that relaxes smooth muscles and therefore interferes with uterine contractions, frequently used to stop premature labour. ... Origin: Gr. Lysis = dissolution ... (09 Oct 1997) ...
tocolytic agentA medication that can inhibit labour, slow down or halt the contractions of the uterus. Tocolytic agents are widely used today to treat premature labour and permit pregnancy to procede and so permit the foetus to gain in size and maturity before being born. ... (12 Dec 1998) ...
tocolytic agentsDrugs that prevent preterm labour and immature birth by suppressing uterine contractions. Agents used to delay premature uterine activity include magnesium sulfate, beta-mimetics, oxytocin antagonists, calcium channel inhibitors, and adrenergic beta-receptor agonists. The use of intravenous alcohol as a tocolytic is now obsolete. ... (12 Dec 1998)
tocometer
Synonym for tocodynamometer ... An instrument for measuring the force of uterine contractions. ... Synonym: tocometer. ... Origin: toco-+ G. Dynamis, force, + metron, measure ... (05 Mar 2000) ...
tocopherol
1. Name given to vitamin E by its discoverer, but now a generic term for vitamin E and compounds chemically related to it, with or without biological activity; similar in chemical structure and properties to vitamins K and coenzyme Q. ... 2. A methylated tocol or methylated tocotrienol. ... Mixed tocopherols concentrate, a source of vitamin E, obtain …
tocopherol cyclase
<enzyme> Catalyses cyclization of phytyl-hydroquinone to gamma-tocopherol; isolated from the blue-green alga anabaena variabilis ... Registry number: EC 5.4.99.- ... (26 Jun 1999) ...
tocopherolquinone
An oxidised tocopherol, formed from the isomeric 2-methyl-2-phytyl-6-chromenol with methyl groups in one or more of positions 5,7, and 8, by migration of H atom from 6-OH to C-4, which yields a 1,4-benzoquinone. Abbreviated TQ and preceded by alpha-, beta-, etc., as in the tocopherols, to indicate degree of methylation. ... Synonym: tocopherylquinon …
tocopherols
Functions as an antioxidant, binds oxygen free radicals that can cause tissue damage, may also play a protective role in the coronary arteries from the damaging effects of cholesterol. ... (27 Sep 1997) ...
tocopherylquinone
Synonym for tocopherolquinone ... An oxidised tocopherol, formed from the isomeric 2-methyl-2-phytyl-6-chromenol with methyl groups in one or more of positions 5,7, and 8, by migration of H atom from 6-OH to C-4, which yields a 1,4-benzoquinone. Abbreviated TQ and preceded by alpha-, beta-, etc., as in the tocopherols, to indicate degree of methylat …
tocophobia
<psychology> Fear of childbirth. ... (12 Dec 1998) ...
tocoquinone
Class name for the 2,3,5-trimethyl-6-multiprenyl-1,4-benzoquinones. ... (05 Mar 2000) ...
tocotrienol
A tocol with three double bonds in the side chain, i.e., with three additional double bonds in the phytyl chain, thus a 6-(3',7',11',15'-tetramethyl-2',6',10',14'-hexadecatetraenyl)-1,4-hydroquinone or a 2-methyl-2-(4,8,12-trimethyltrideca-3,7,11-trienyl)chroman-6-ol. The natural products carry methyls at one or more of positions 5, 7, and 8 of the …
tocotrienolquinone
A tocotrienol in which the hydroquinone has been oxidised to a quinone (the chromanol has become a chromenol); the tocotrienolquinone's carry a, b, g, and d prefixes in accordance with the degree of methylation, as do the tocotrienols. ... (05 Mar 2000) ...
TOCP
<abbreviation> Triorthocresyl phosphate. ... (05 Mar 2000) ...
tocus
Labour, childbirth. Directly from the Greek tokos meaning childbirth. ... (12 Dec 1998) ...
tod
1. A bush; a thick shrub; a bushy clump. 'An ivy todde.' 'The ivy tod is heavy with snow.' (Coleridge) ... 2. An old weight used in weighing wool, being usually twenty-eight pounds. ... 3. A fox; probably so named from its bushy tail. 'The wolf, the tod, the brock.' (B. Jonson) Tod stove, a close stove adapted for burning small round wood, twigs, etc …
Tod's muscle
Synonym for oblique auricular muscle ... <anatomy> A thin band of oblique muscular fibres extending from the upper part of the eminence of the concha to the convexity of the helix, running across the groove corresponding to the inferior crus of the anthelix. ... Synonym: musculus obliquus auriculae, oblique muscle of auricle, Tod's muscle. ... ( …
Todaro
Francesco, Italian anatomist, 1839-1918. ... See: Todaro's tendon. ... (05 Mar 2000) ...
Todd
Robert B., English physician, 1809-1860. ... See: Todd's paralysis, Todd's postepileptic paralysis. ... (05 Mar 2000) ...
Todd unit
The unit in which the results of testing for antistreptolysin O (ASO) are expressed. It denotes the reciprocal of the highest dilution of test serum at which there continues to be neutralization of a standard preparation of the streptococcal enzyme streptolysin O. ... (05 Mar 2000) ...
Todd's paralysis
Paralysis of temporary duration (normally not more than a few days) that occurs in the limb or limbs involved in jacksonian epilepsy after the seizure. ... Synonym: Todd's postepileptic paralysis. ... (05 Mar 2000) ...
