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mondofacto - Online Medical Dictionary Category: Health and Medicine > Medical Dictionary Date & country: 26/01/2008, UK Words: 116197

tremulous iris
Synonym for iridodonesis ... Agitated motion of the iris. ... Synonym: tremulous iris. ... Origin: irido-+ G. Doneo, to shake to and fro ... (05 Mar 2000) ...

Trenaunay, Paul
<person> French physician, *1875. ... See: Klippel-Trenaunay-Weber syndrome. ... (05 Mar 2000) ...

trenbolone
<chemical> 17-beta-hydroxyestra-4,9,11-trien-3-one. An anabolic steroid used mainly as a growth substance in animals. ... Pharmacological action: anabolic steroids. ... Chemical name: Estra-4,9,11-trien-3-one, 17-hydroxy-, (17beta)- ... (12 Dec 1998) ...

trench
1. A long, narrow cut in the earth; a ditch; as, a trench for draining land. ... 2. An alley; a narrow path or walk cut through woods, shrubbery, or the like. 'In a trench, forth in the park, goeth she.' (Chaucer) ... 3. An excavation made during a siege, for the purpose of covering the troops as they advance toward the besieged place. The term inclu …

trench fever
A louse-borne disease first recognised in the trenches of world war i, again a major problem in the military in world war II, seen endemically in mexico, n. Africa, e, europe, and elsewhere. The cause, rochalimaea quintana, is an unusual rickettsia that multiplies in the gut of the body louse. Transmission to people can occur by rubbing infected lo …

trench foot
Synonym for immersion foot ... A condition of the feet produced by prolonged exposure of the feet to water. Exposure for 48 hours or more to warm water causes tropical immersion foot or warm-water immersion foot common in vietnam where troops were exposed to prolonged or repeated wading in paddy fields or streams. Trench foot results from prolonged …

trench hand
An obsolete term for frostbite of the hand. ... (05 Mar 2000) ...

trench lung
A psychogenic hyperventilation marked by paroxysmal attacks of rapid breathing, without any signs of organic disease, observed in stressful situations such as battle. ... (05 Mar 2000) ...

trench mouth
<dentistry, gastroenterology> An acute or recurrent form of gingivitis of young to middle-aged adults characterised by red and painful gums, fetid breath and gum destruction. ... Other features may include fever and enlargement of the regional lymph nodes. ... Pathogenesis of this condition is thought to be secondary to a fusiform bacillus and …

trench nephritis
An obsolete term for glomerulonephritis occurring in soldiers subjected to cold and damp conditions in trenches. ... (05 Mar 2000) ...

trencher
1. One who trenches; especially, one who cuts or digs ditches. ... 2. A large wooden plate or platter, as for table use. ... 3. The table; hence, the pleasures of the table; food. 'It could be no ordinary declension of nature that could bring some men, after an ingenuous education, to place their 'summum bonum' upon their trenchers.' (South) Trencher …

trend of thought
Thinking with a tendency toward or centreing on a particular idea with a particular affect. ... (05 Mar 2000) ...

Trendelenburg radiograph
Radiograph of a subject tilted head downwards, usually in the decubitus position; used to detect small pleural effusions. ... (05 Mar 2000) ...

Trendelenburg, Friedrich
<person> German surgeon, 1844-1924. ... See: Trendelenburg's operation, Trendelenburg's position, reverse Trendelenburg position, Trendelenburg's sign, Trendelenburg's symptom, Trendelenburg's test. ... (05 Mar 2000) ...

Trendelenburg's operation
A pulmonary embolectomy. ... (05 Mar 2000) ...

Trendelenburg's position
A supine position on the operating table, which is inclined at varying angles so that the pelvis is higher than the head with the knees flexed and legs hanging over the end of the table; used during and after operations in the pelvis or for shock. ... (05 Mar 2000) ...

Trendelenburg's sign
<clinical sign> In congenital dislocation of the hip or in hip abductor weakness, the pelvis will sag on the side opposite to the dislocation when the hip and knee of the normal side is flexed; without dislocation or weakness, the pelvis will rise on the side of the flexed hip and knee. ... (05 Mar 2000) ...

Trendelenburg's symptom
A waddling gait in paresis of the gluteal muscles, as in progressive muscular dystrophy. ... (05 Mar 2000) ...

Trendelenburg's test
A test of the valves of the leg veins; the leg is raised above the level of the heart until the veins are empty and is then rapidly lowered; in varicosity and incompetence of the valves the veins will at once become distended, but placement of a touriquet around the leg will prevent distention of veins below the incompetent perforators or valves be …

trepan
1. <surgery> A crown-saw or cylindrical saw for perforating the skull, turned, when used, like a bit or gimlet. See Trephine. ... 2. <chemical> A kind of broad chisel for sinking shafts. ... Origin: F. Trepan (cf. Sp. Trepano, It. Trepano, trapano), LL. Trepanum, fr. Gr. A borer, auger, trepan, fr. To bore, a hole. Cf. Trephine. ... <su …

trepanation
Synonym: trephination. ... (05 Mar 2000) ...

trepang
<zoology> Any one of several species of large holothurians, some of which are dried and extensively used as food in China; called also beche de mer, sea cucumber, and sea slug. ... Alternative forms: tripang. ... The edible trepangs are mostly large species of Holothuria, especially H. Edulis. They are taken in vast quantities in the East Indie …

trephination
Removal of a circular piece ('button') of cranium by a trephine. ... Synonym: trepanation. ... (05 Mar 2000) ...

trephine biopsy
<haematology, procedure> Removal of a small core of bone marrow under local anaesthetic. It is used to assess bone marrow structure, the number and distribution of all the blood cell types. ... (19 Jan 1998) ...

trephining
The removal of a circular disk of the cranium. It is performed with a trephine, a small circular saw with a centre pin mounted on a hollow metal shaft to which is attached a transverse handle. ... (12 Dec 1998) ...

trephocyte
Synonym: trophocyte. ... Origin: G. Trepho, to nourish, + kytos, cell ... (05 Mar 2000) ...

trephones
<cell biology> Substance supposedly released at a wound that stimulate mitosis: the opposite of chalones. ... (19 Jan 1998) ...

trepidant
Marked by tremor. ... Origin: L. Trepidans, pres. P. Of trepido, to tremble, to be agitated ... (05 Mar 2000) ...

trepidatio cordis
Synonym for palpitation ... <symptom> A subjective sensation of a rapid, irregular or forceful beating of the heart that the patient is aware of. ... Origin: L. Palpitatio ... (29 Sep 1997) ...

trepidation
1. An involuntary trembling, sometimes an effect of paralysis, but usually caused by terror or fear; quaking; quivering. ... 2. Hence, a state of terror or alarm; fear; confusion; fright; as, the men were in great trepidation. ... 3. A libration of the starry sphere in the Ptolemaic system; a motion ascribed to the firmament, to account for certain s …

treponaemiasis
Infection caused by Treponema. ... Synonym: treponematosis. ... (05 Mar 2000) ...

treponaemicidal
Destructive to any species of Treponema, but usually with reference to T. Pallidum. ... Synonym: antitreponemal. ... Origin: Treponema + L. Caedo, to kill ... (05 Mar 2000) ...

Treponema
<bacteria> Genus of bacteria of the spirochaete family (Spirochaetaceae). ... Treponema pallidum causes syphilis. Cells are corkscrew like, (6-15um long,0.1-0.2um wide), motile, anaerobic and with a peptidoglycan cell wall and a capsule of glycosaminoglycans similar to hyaluronic acid and chondroitin sulphate in composition. Membrane has cardi …

Treponema carateum
A species that causes pinta, or carate. ... (05 Mar 2000) ...

Treponema cuniculi
A species which causes spirochetosis in rabbits. ... (05 Mar 2000) ...

Treponema denticola
Cultivatable species that does not ferment carbohydrates and can be isolated from the oral cavity of humans. ... (05 Mar 2000) ...

Treponema genitalis
A nonpathogenic species found on the genitalia of humans. ... (05 Mar 2000) ...

Treponema hyodysenteriae
An enteropathogenic species that causes swine dysentery. ... (05 Mar 2000) ...

treponema immobilization test
Syphilis serodiagnosis employing as the antigen treponema pallidum obtained from rabbit syphilis orchitis. Treponemes are kept alive for a few hours in a special medium. When syphilitic serum and complement are added and incubated, the treponemes are immobilised, i.e., stop moving. ... (12 Dec 1998) ...

Treponema mucosum
A species found in pyorrhoea alveolaris; it possesses pyogenic properties. ... (05 Mar 2000) ...

treponema pallidum
The cause of syphilis, this is a microscopic bacterial organism called a spirochete, a worm-like spiral-shaped organism that wiggles vigorously when viewed under a microscope. Treponema pallidum was discovered in 1905 by the german bacteriologist fritz schaudinn (1871-1906) who named it, putting together the greek trepo (i turn) and nema (thread) w …

Treponema pertenue
A species that causes yaws; patients with this disease give positive results in serologic screening tests for syphilis. ... (05 Mar 2000) ...

treponema-immobilizing antibody
Antibody, evoked during syphilitic infections, possessing specific affinity for Treponema pallidum, and which in the presence of complement immobilises the organism. ... Synonym: immobilizing antibody, treponemal antibody. ... (05 Mar 2000) ...

treponemal antibody
Synonym for treponema-immobilizing antibody ... Antibody, evoked during syphilitic infections, possessing specific affinity for Treponema pallidum, and which in the presence of complement immobilises the organism. ... Synonym: immobilizing antibody, treponemal antibody. ... (05 Mar 2000) ...

treponemal infections
Infections with bacteria of the genus treponema. ... (12 Dec 1998) ...

treponematosis
Synonym for treponaemiasis ... Infection caused by Treponema. ... Synonym: treponematosis. ... (05 Mar 2000) ...

treponeme
A vernacular term used to refer to any member of the genus Treponema. ... (05 Mar 2000) ...

treppe
A phenomenon in cardiac muscle first observed by H.P. Bowditch; if a number of stimuli of the same intensity are sent into the muscle after a quiescent period, the first few contractions of the series show a successive increase in amplitude (strength). ... Synonym: staircase phenomenon. ... Origin: Ger. Treppe, staircase ... (05 Mar 2000) ...

Tresilian, Frederick
<person> English physician, 1862-1926. ... See: Tresilian's sign. ... (05 Mar 2000) ...

Tresilian's sign
<clinical sign> A reddish prominence at the orifice of Stenson's duct, noted in mumps. ... (05 Mar 2000) ...

tresis
Synonym: perforation. ... Origin: G. Tresis, a boring ... (05 Mar 2000) ...

tretinoin
<chemical> An important regulator of gene expression, particularly during growth and development and in neoplasms. Retinoic acid derived from maternal vitamin a is essential for normal gene expression during embryonic development and either a deficiency or an excess can be teratogenic. It is also a topical dermatologic agent which is used in …

tretoquinol
<chemical> An adrenergic beta-agonist used as a bronchodilator agent in asthma therapy. ... Pharmacological action: adrenergic beta-agonists, bronchodilator agents, sympathomimetic. ... Chemical name: 6,7-Isoquinolinediol, 1,2,3,4-tetrahydro-1-((3,4,5-trimethoxyphenyl)methyl)-, hydrochloride, (S)- ... (12 Dec 1998) ...

Treves, Norman
<person> U.S. Surgeon, 1894-1964. ... See: Stewart-Treves syndrome. ... (05 Mar 2000) ...

Treves, Sir Frederick
<person> English surgeon, 1853-1923. ... See: Treves' fold. ... (05 Mar 2000) ...

Treves' fold
Synonym for ileocaecal fold ... A fold of peritoneum bounding the ileocaecal or ileoappendicular fossa. ... Synonym: plica ileocaecalis, Treves' fold. ... (05 Mar 2000) ...

Trevor, David
<person> 20th century British orthopedic surgeon. ... See: Trevor's disease. ... (05 Mar 2000) ...

Trevor's disease
Synonym for tarsoepiphyseal aclasis ... Epiphysealis hemimelica, affects ankles and knees leading to limitation of motion. ... Synonym: Trevor's disease. ... (05 Mar 2000) ...

TRF
<abbreviation> Thyrotropin-releasing factor. ... (05 Mar 2000) ...

TRH
Synonym for thyroid releasing hormone ... <endocrinology> Thyroid releasing hormone (TRH) is a byproduct of the hypothalamus and serves to stimulate the pituitary gland to produce thyroid stimulating hormone (TSH). TRH is produced by the hypothalamus when thyroid hormone (T3 and T4) blood levels are low. ... (27 Sep 1997) ...

tri-
1. <prefix> A prefix meaning three, thrice, threefold; as in tricoloured, tridentate. ... 2. <chemistry> A prefix (also used adjectively) denoting three proportional or combining part, or the third degree of that to the name of which it is prefixed; as in trisulphide, trioxide, trichloride. ... Origin: Gr. Tri- or L. Tri-, sometimes throu …

tri-alanyl peptidase
<enzyme> Biliary tract enzyme ... Registry number: EC 3.4.- ... (26 Jun 1999) ...

tri-amelia
Absence of three limbs. ... Origin: tri-+ G. A-priv. + melos, limb ... (05 Mar 2000) ...

triacetic acid
CH3COCH2COCH2COOH; 3,5-Dioxohexanoic acid;formed by condensation of acetyl and malonyl CoA's in the course of fatty acid synthesis. ... (05 Mar 2000) ...

triacetic acid lactone lyase
<enzyme> Non-hydrolytic; froms acetyl-CoA from triacetic acid lactone plus ATP plus CoA ... Registry number: EC 4.2.99.- ... Synonym: ATP tal ... (26 Jun 1999) ...

triacetin
<chemical> A triglyceride that is used as an antifungal agent. ... Pharmacological action: antifungal agents, anti-infective agents, local. ... Chemical name: 1,2,3-Propanetriol, triacetate ... (12 Dec 1998) ...

triacetoneamine-n-oxyl
<chemical> 2,2,6,6-tetramethyl-4-piperidone-n-oxyl. Cyclic n-oxide radical functioning as a spin label and radiation-sensitizing agent. ... Chemical name: 1-Piperidinyloxy, 2,2,6,6-tetramethyl-4-oxo- ... (12 Dec 1998) ...

triacetylglycerol
Synonym for triacetin ... <chemical> A triglyceride that is used as an antifungal agent. ... Pharmacological action: antifungal agents, anti-infective agents, local. ... Chemical name: 1,2,3-Propanetriol, triacetate ... (12 Dec 1998) ...

triacetyloleandomycin
Synonym for troleandomycin ... <chemical> A macrolide antibiotic that is similar to erythromycin. ... Pharmacological action: antibiotics, macrolide. ... Chemical name: Oleandomycin, triacetate (ester) ... (12 Dec 1998) ...

triacyl glycerols
Synonym for triglyceride ... <biochemistry> Storage fats of animal adipose tissue where they are largely glycerol esters of saturated fatty acids. ... Also found in the bloodstream with normal blood levels between 10-150 milligrams per decilitre. Elevations of the triglyceride level (particularly in association with elevated cholesterol) have b …

triacylglycerol
Glycero l esterified at each of its three hydroxyl groups by a fatty (aliphatic) acid; e.g., tristearoylglycerol. ... Synonym: fat, triglyceride. ... Triacylglycerol lipase, the fat-splitting enzyme in pancreatic juice; it hydrolyzes triacylglycerol to produce a diacylglycerol and a fatty acid anion; a deficiency of the hepatic enzyme results in hype …

triad
The junction between the T tubules and the sarcoplasmic reticulum in striated muscle. ... (18 Nov 1997) ...

triadic symbiosis
Symbiosis between a child and both parents. ... (05 Mar 2000) ...

triage
The sorting out and classification of patients or casualties to determine priority of need and proper place of treatment. ... (12 Dec 1998) ...

trial
1. The act of trying or testing in any manner. Specifically: ... Any effort or exertion of strength for the purpose of ascertaining what can be done or effected. '[I] defy thee to the trial of mortal fight.' (Milton) ... The act of testing by experience; proof; test. 'Repeated trials of the issues and events of actions.' (Bp. Wilkins) ... Examination …

trial and error
The apparently random, haphazard, hit-or-miss exploratory activity which often precedes the acquisition of new information or adjustments; it may be overt, as in a rat running in a maze, or covert (vicarious), as when one thinks of various ways of coping with a situation. ... (05 Mar 2000) ...

trial base
Synonym for baseplate ... <cell biology> A hypothetical cell adhesion molecule possibly involved in sponge cell adhesion, existence unproven. ... (18 Nov 1997) ...

trial case
In refraction, a box containing lenses for testing. ... (05 Mar 2000) ...

trial denture
A setup of artificial teeth so fabricated that it may be placed in the patient's mouth to verify esthetics, for the making of records, or for any other operation deemed necessary before final completion of the denture. ... Synonym: wax model denture. ... (05 Mar 2000) ...

trial frame
A type of spectacle frame with variable adjustments, for holding trial lenses during refraction. ... (05 Mar 2000) ...

trial lenses
A series of cylindrical and spherical lens's used in testing vision. ... (05 Mar 2000) ...

trial of labour
Allowing a woman to be in labour long enough to determine if vaginal birth may be anticipated. ... (12 Dec 1998) ...

trialkyltin compounds
Organometallic compounds which contain tin and three alkyl groups. ... (12 Dec 1998) ...

triallate
<chemical> Bis(1-methylethyl)carbamothioic acid s-(2,3,3-trichloro-2-propenyl) ester. A pre-emergence, selective herbicide for the control of wild oats in various crops. ... Pharmacological action: herbicides, carbamate. ... Chemical name: Carbamothioic acid, bis(1-methylethyl)-, S-(2,3,3-trichloro-2-propenyl) ester ... (12 Dec 1998) ...

triamcinolone
<chemical> A glucocorticoid given, as the free alcohol or in esterified form, orally, intramuscularly, by local injection, by inhalation, or applied topically in the management of various disorders in which corticosteroids are indicated. ... Pharmacological action: steroidal anti-inflammatory agents, glucocorticoids, synthetic, glucocorticoids …

triamcinolone acetonide
<chemical> An esterified form of triamcinolone. It is an anti-inflammatory glucocorticoid used topically in the treatment of various skin disorders. Intralesional, intramuscular, and intra-articular injections are also administered under certain conditions. ... Pharmacological action: steroidal anti-inflammatory agents, glucocorticoids, synthe …

triamcinolone diacetate
An anti-inflammatory and antiallergic agent for parenteral use. ... (05 Mar 2000) ...

triamterene
<chemical> A pteridine that is used as a mild diuretic. ... Pharmacological action: diuretics. ... Chemical name: 2,4,7-Pteridinetriamine, 6-phenyl- ... (12 Dec 1998) ...

triangle
1. <geometry> A figure bounded by three lines, and containing three angles. ... A triangle is either plane, spherical, or curvilinear, according as its sides are straight lines, or arcs of great circles of a sphere, or any curved lines whatever. A plane triangle is designated as scalene, isosceles, or equilateral, according as it has no two si …

triangle bandage
<orthopaedics> A cloth (muslin) bandage in the shape of an equilateral triangle. Two triangle bandages can be made by cutting a 36-40 inch cloth square diagonally corner to corner. The triangle bandage is an excellent first aid dressing for scalp wounds and can also be used as a shoulder sling. ... (19 Jan 1998) ...

triangle of auscultation
Space bounded by the lower border of the trapezius, the latissimus dorsi, and the medial margin of the scapula, where the absence of musculature allows respiratory sounds to be heard clearly with a stethoscope. ... (05 Mar 2000) ...

triangle of elbow
Synonym for cubital fossa ... The fossa in front of the elbow, bounded laterally and medially by the humeral origins of the extensors and flexors of the forearm, respectively, and superiorly by an imaginary line connecting the humeral condyles. ... Synonym: fossa cubitalis, antecubital space, chelidon, triangle of elbow. ... (05 Mar 2000) ...

triangle of fillet
Synonym for lemniscal trigone ... A triangular area on the lateral surface of the caudal half of the mesencephalon, bordered caudally by the slight prominence of the lateral lemniscus, dorsally by the base of the inferior colliculus and the brachium of the superior colliculus, and ventrally by the crus cerebri. ... Synonym: Reil's triangle, triangle …

triangle of safety
The area at the lower left sternal border where the pericardium is not covered by lung (pericardial notch); preferred site for aspiration of pericardial fluid. ... (05 Mar 2000) ...

triangle of vertebral artery
<anatomy, artery> Triangular area in the root of the neck bounded laterally by the scalenus anterior and medially by the longus coli muscles; the two muscles meet at the triangle's apex, formed by the anterior (carotid) tubercle of the transverse process of vertebra C6; the vertebral artery arises from the subclavian artery at the base of the …

triangular
1. Having three angles; having the form of a triangle. ... 2. <botany> Oblong or elongated, and having three lateral angles; as, a triangular seed, leaf, or stem. Triangular compasses, compasses with three legs for taking off the angular points of a triangle, or any three points at the same time. ... <zoology> Triangular crab, any maioid …

triangular bandage
A piece of cloth cut in the shape of a right-angled triangle, used as a sling. ... Synonym: scarf bandage. ... (05 Mar 2000) ...

triangular bone
Synonym for os trigonum ... An independent ossicle sometimes present in the tarsus; usually it forms part of the talus, constituting the lateral tubercle of the posterior process. ... Synonym: os triangulare, triangular bone. ... (05 Mar 2000) ...

triangular cartilage
Synonym for articular disc of distal radioulnar joint ... The disk that holds together the distal ends of the radius and ulna; it is attached by its apex to a depression between the styloid process and distal surface of the head of the ulna, and by its base to the ridge separating the ulnar notch from the carpal surface of the radius. ... Synonym: di …

triangular crest
Synonym for crista triangularis ... A crest or ridge which extends from the apex of a cusp of a premolar or molar tooth toward the central part of the occlusal surface. ... Synonym: triangular crest, triangular ridge. ... (05 Mar 2000) ...