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

triangular disk of wrist
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 fascia
Synonym for reflected inguinal ligament ... <anatomy> A triangular fibrous band extending from the aponeurosis of the external oblique to the pubic tubercle of the opposite side. ... See: aponeurosis of external abdominal oblique muscle. ... Synonym: ligamentum reflexum, Colles' ligament, fascia triangularis abdominis, reflex ligament, triangula …

triangular fold
A fold of mucous membrane anterior to the palatine tonsil arising from the palatoglossal arch. ... Synonym: plica triangularis. ... (05 Mar 2000) ...

triangular fossa
The depression at the upper part of the auricle between the two crura of the anthelix. ... Synonym: fossa triangularis, fossa navicularis auriculae. ... (05 Mar 2000) ...

triangular lamella
Synonym for choroid tela of third ventricle ... A double fold of pia mater, enclosing subarachnoid trabeculae, between the fornix above and the epithelial roof of the third ventricle and the thalami below; at each lateral margin is a vascular fringe projecting into the choroidal fissure of the lateral ventricle; on its undersurface are several small …

triangular ligament
Synonym for inferior fascia of urogenital diaphragm ... The layer of fascia extending between the ischiopubic rami inferior to the sphincter urethrae and the deep transverse perineal muscles. ... Synonym: membrana perinei, fascia diaphragmatis urogenitalis inferior, Camper's ligament, ligamentum triangulare, perineal membrane, triangular ligament. …

triangular ligaments of liver
See: right triangular ligament, left triangular ligament. ... (05 Mar 2000) ...

triangular muscle
<anatomy> A muscle that is triangular in shape. ... Synonym: musculus triangularis. ... Synonym: depressor anguli oris muscle. ... (05 Mar 2000) ...

triangular nucleus
Alternative term for the medial vestibular nucleus. ... (05 Mar 2000) ...

triangular part
The middle one of three small convolutions which together compose the inferior frontal gyrus of the cerebral cortex; the other two being the orbital part and opercular part. ... Synonym: pars triangularis. ... (05 Mar 2000) ...

triangular recess
An occasional evagination of the anterior wall of the third ventricle of the brain between the anterior commissure and the diverging pillars of the fornix. ... Synonym: recessus triangularis. ... (05 Mar 2000) ...

triangular ridge
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) ...

triangular uterus
Synonym for incudiform uterus ... Uterus bicornis in which the fundus between the two cornua is broad and flat. ... Synonym: triangular uterus, uterus incudiformis, uterus triangularis. ... (05 Mar 2000) ...

triangularis
See: triangular muscle. ... Origin: L. Triangular ... (05 Mar 2000) ...

triangularity
<radiobiology> Geometric factor measuring an aspect of the shape (how triangular it is) of the cross-section of a non-circular plasma in a toroidal device. ... See: elongation. ... (09 Oct 1997) ...

triangularity of the teeth
A well-marked indication of advancing age in the horse, shown by increasing depth from front to rear in the occlusal surfaces of the incisor teeth; at nine years, when the marks fail, this sign is of use in determining the age of the animal. ... (05 Mar 2000) ...

triangulum
See: triangle. ... Origin: L. ... (05 Mar 2000) ...

triatoma
A genus of bugs of the subfamily triatominae (reduviidae). Several species are vectors of trypanosoma cruzi. ... (12 Dec 1998) ...

triatominae
A subfamily of true bugs (hemiptera) including the genera triatoma, rhodnius, and panstrongylus, which are vectors of trypanosoma cruzi, the agent of chagas disease. ... (12 Dec 1998) ...

triaxial reference system
The figure resulting from rearranging the lines of derivation of the three standard limb leads of the electrocardiogram (as represented in Einthoven's triangle) so that, instead of forming the sides of an equilateral triangle, they bisect one another. ... Synonym: Dieuaide diagram. ... (05 Mar 2000) ...

triazine
<chemical> An herbicide used to kill broad-leafed plants. ... (09 Oct 1997) ...

triaziquone
<chemical> 2,3,5-tris(1-aziridinyl)-2,5-cyclohexadiene-1,4-dione. Alkylating antineoplastic agent used mainly for ovarian tumours. It is toxic to skin, gastrointestinal tract, bone marrow and kidneys. ... Pharmacological action: antineoplastic agent, alkylating. ... Chemical name: 2,5-Cyclohexadiene-1,4-dione, 2,3,5-tris(1-aziridinyl)- ... (12 D …

triazolam
<drug> This hypnotic prescription drug is used to treat insomnia. ... (09 Oct 1997) ...

triazologuanine
Synonym for 8-azaguanine ... Guanine with N for C in position 8; a guanine antagonist that has been used in the treatment of acute leukaemia. ... Synonym: guanazolo, triazologuanine. ... (05 Mar 2000) ...

tribade
A lesbian, especially one who obtains sexual pleasure by rubbing her external genitalia against those of another woman. ... Origin: G. Tribo, to rub ... (05 Mar 2000) ...

tribadism
Lesbianism, particularly as practiced by a tribade. ... Origin: G. Tribo, to rub ... (05 Mar 2000) ...

tribasic calcium phosphate
Ca3(PO4)2;used as an antacid. ... Synonym: bone ash, bone phosphate, tertiary calcium phosphate, tricalcium phosphate, whitlockite. ... (05 Mar 2000) ...

tribasic magnesium phosphate
Mg3(PO4)2-5H2O;tertiary magnesium phosphate, it is used as an antacid but it does not produce systemic alkalization; 1 g is equivalent in neutralizing power to about 0.46 g of sodium bicarbonate. ... (05 Mar 2000) ...

tribasilar
Having three bases. ... (05 Mar 2000) ...

tribasilar synostosis
Fusion in early life of the three bones at the base of the skull, resulting in interference with the development of the brain. ... (05 Mar 2000) ...

tribe
To distribute into tribes or classes. 'Our fowl, fish, and quadruped are well tribed.' (Abp. Nicolson) ... 1. A family, race, or series of generations, descending from the same progenitor, and kept distinct, as in the case of the twelve tribes of Israel, descended from the twelve sons of Jacob. 'The Lion of the tribe of Juda.' 'A wealthy Hebrew of m …

tribolium
A genus of small beetles of the family tenebrionidae; t. Confusum is the 'confused flour beetle'. ... (12 Dec 1998) ...

tribology
The study of friction and its effects in biological systems, especially in regard to articulated surfaces of the skeleton. ... Origin: G. Tribo, to rub, + logos, study ... (05 Mar 2000) ...

triboluminescence
Luminosity produced by friction. ... Origin: G. Tribo, to rub, + luminescence ... (05 Mar 2000) ...

tribrachia
Condition seen in conjoined twins when the fusion has merged the adjacent arms to form a single one, so that there are only three arms for the two bodies. ... See: conjoined twins. ... Origin: tri-+ G. Brachion, arm ... (05 Mar 2000) ...

tribrachius
Conjoined twins exhibiting tribrachia. ... (05 Mar 2000) ...

tribromoethanol
Br3C-CH2OH;formerly used as a basal anaesthetic agent administered rectally. ... (05 Mar 2000) ...

tribromsalan
3,4',5-Tribromosalicylanilide;a disinfectant used in soaps. ... (05 Mar 2000) ...

tribute
1. An annual or stated sum of money or other valuable thing, paid by one ruler or nation to another, either as an acknowledgment of submission, or as the price of peace and protection, or by virtue of some treaty; as, the Romans made their conquered countries pay tribute. 'Millions for defense, but not one cent for tribute.' (C. C. Pinckney) ... 2. …

tributer
<chemical> One who works for a certain portion of the ore, or its value. ... Tributers generally work in gangs, and have a limited portion of a lode set them, called a tribute pitch, beyond which they are not permitted to work, and for which they receive a certain portion of the ore, or so much per pound, as agreed upon, of the value of what t …

tributyrase
triacylglycerol lipase ...

tributyrin
A synthetic substrate for lipase assays. ... Synonym: glyceryl tributyrate, tributyrylglycerol. ... (05 Mar 2000) ...

tributyrinase
triacylglycerol lipase ...

tributyrylglycerol
Synonym for tributyrin ... A synthetic substrate for lipase assays. ... Synonym: glyceryl tributyrate, tributyrylglycerol. ... (05 Mar 2000) ...

TRIC
Acronym for trachoma and inclusion conjunctivitis. ... See: TRIC agents. ... (05 Mar 2000) ...

TRIC agents
Strains of Chlamydia trachomatis that cause trachoma and inclusion conjunctivitis agents ... See: Chlamydia trachomatis. ... (05 Mar 2000) ...

tricalcium phosphate
Synonym for tribasic calcium phosphate ... Ca3(PO4)2;used as an antacid. ... Synonym: bone ash, bone phosphate, tertiary calcium phosphate, tricalcium phosphate, whitlockite. ... (05 Mar 2000) ...

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) ...

tricarboxylic acids
Organic compounds that are acyclic and contain three acid groups. A member of this class is citric acid which is the first product formed by reaction of pyruvate and oxaloacetate. ... (12 Dec 1998) ...

tricephalus
Foetus with three heads. ... Origin: tri-+ G. Kephale, head ... (05 Mar 2000) ...

triceps brachii
<anatomy, muscle> Origin, long or scapular head: lateral border of scapula below glenoid fossa, lateral head: lateral and posterior surface of humerus below greater tubercle, medial head: posterior surface of humerus below radial groove; insertion, olecranon of ulna; action, extends elbow; nerve supply, radial. ... Synonym: musculus triceps br …

triceps bursa
<anatomy> The bursa located deep to the tendon of the triceps brachii near its insertion on the olecranon. ... Synonym: bursa subtendinea musculi tricipitus brachii. ... (05 Mar 2000) ...

triceps coxae muscle
<anatomy> The obturator internus and superior and inferior gemellus muscles considered as one muscle, inserting via a single tendon into the greater trochanter of the femur. ... Synonym: musculus triceps coxae, triceps muscle of hip. ... (05 Mar 2000) ...

triceps muscle of arm
Synonym for triceps brachii ... <anatomy, muscle> Origin, long or scapular head: lateral border of scapula below glenoid fossa, lateral head: lateral and posterior surface of humerus below greater tubercle, medial head: posterior surface of humerus below radial groove; insertion, olecranon of ulna; action, extends elbow; nerve supply, radial.< …

triceps muscle of calf
Synonym for triceps surae muscle ... <anatomy> The two bellies of the gastrocnemius and soleus considered as one muscle. ... Synonym: musculus triceps surae, triceps muscle of calf. ... (05 Mar 2000) ...

triceps muscle of hip
Synonym for triceps coxae muscle ... <anatomy> The obturator internus and superior and inferior gemellus muscles considered as one muscle, inserting via a single tendon into the greater trochanter of the femur. ... Synonym: musculus triceps coxae, triceps muscle of hip. ... (05 Mar 2000) ...

triceps reflex
A sudden contraction of the triceps muscle caused by a smart tap on its tendon when the forearm hangs loosely at a right angle with the arm. ... Synonym: elbow jerk, elbow reflex. ... (05 Mar 2000) ...

triceps surae muscle
<anatomy> The two bellies of the gastrocnemius and soleus considered as one muscle. ... Synonym: musculus triceps surae, triceps muscle of calf. ... (05 Mar 2000) ...

triceps surae reflex
Synonym for Achilles reflex ... A contraction of the calf muscles when the tendo calcaneus is sharply struck. ... Synonym: ankle jerk, ankle reflex, tendo Achillis reflex, triceps surae reflex. ... (05 Mar 2000) ...

trich-
See: tricho-. ... (05 Mar 2000) ...

trichalgia
Pain produced by touching the hair. ... Synonym: trichodynia. ... Origin: trich-+ G. Algos, pain ... (05 Mar 2000) ...

trichangion
Synonym: telangion. ... Origin: trich-+ G. Angeion, vessel ... (05 Mar 2000) ...

trichatrophia
Atrophy of the hair bulbs, with brittleness, splitting, and falling out of hair. ... Origin: trich-+ G. Atrophia, atrophy ... (05 Mar 2000) ...

trichauxis
Excessive growth of hair in length and quantity. ... Origin: trich-+ G. Auxis, increase ... (05 Mar 2000) ...

trichi-
See: tricho-. ... (05 Mar 2000) ...

trichilemmal cyst
Synonym for pilar cyst ... A common cyst of the skin and subcutis which contains sebum and keratin, and is lined by pale-staining stratified epithelial cells derived from follicular trichilemma. ... Synonym: trichilemmal cyst. ... (05 Mar 2000) ...

trichilemmoma
<tumour> A benign tumour derived from outer root sheath epithelium of a hair follicle, consisting of cells with pale-staining cytoplasm containing glycogen; multiple trichilemmoma's are present on the face in Cowden's disease. ... Synonym: tricholemmoma. ... Origin: trichi-+ G. Lemma, husk, + -oma, tumour ... (05 Mar 2000) ...

trichina
Origin: NL, fr. Gr. Hairy, made of hair, fr, hair. ... <zoology> A small, slender nematoid worm (Trichina spiralis) which, in the larval state, is parasitic, often in immense numbers, in the voluntary muscles of man, the hog, and many other animals. When insufficiently cooked meat containing the larvae is swallowed by man, they are liberated a …

trichinella
A genus of parasitic nematodes that causes trichinosis in man and carnivores. ... (12 Dec 1998) ...

trichinella spiralis
<microbiology> Trichinosis is an intestinal and tissue infection of humans and other mammals caused by the nematode Trichinella spiralis. Infection occurs through the consumption of infected meat (usually domestic pork) that carries the encysted larvae of Trichinella spiralis. ... Common symptoms include: diarrhoea, muscle pains, fever, dehydr …

trichinelliasis
Synonym for trichinosis ... <microbiology> Trichinosis is an intestinal and tissue infection of humans and other mammals caused by the nematode Trichinella spiralis. Infection occurs through the consumption of infected meat (usually domestic pork) that carries the encysted larvae of T. Spiralis. ... Common symptoms include: diarrhoea, muscle pa …

Trichinellicae
Synonym for Trichinelloidea ... A superfamily of nematodes, including the following roundworms that are parasitic in man: Trichinella spiralis, the trichina worm (family Trichinellidae); Trichuris trichiura, the human whipworm; Capillaria hepatica, the capillary liver worm; and C. Philippinensis (family Trichuridae). ... Synonym: Trichinellicae. ... ( …

Trichinelloidea
A superfamily of nematodes, including the following roundworms that are parasitic in man: Trichinella spiralis, the trichina worm (family Trichinellidae); Trichuris trichiura, the human whipworm; Capillaria hepatica, the capillary liver worm; and C. Philippinensis (family Trichuridae). ... Synonym: Trichinellicae. ... (05 Mar 2000) ...

trichinellosis
Synonym for trichinosis ... <microbiology> Trichinosis is an intestinal and tissue infection of humans and other mammals caused by the nematode Trichinella spiralis. Infection occurs through the consumption of infected meat (usually domestic pork) that carries the encysted larvae of T. Spiralis. ... Common symptoms include: diarrhoea, muscle pa …

trichiniferous
Containing trichina worms. ... (05 Mar 2000) ...

trichinization
Infection with trichina worms. ... (05 Mar 2000) ...

trichinosis
<microbiology> Trichinosis is an intestinal and tissue infection of humans and other mammals caused by the nematode Trichinella spiralis. Infection occurs through the consumption of infected meat (usually domestic pork) that carries the encysted larvae of T. Spiralis. ... Common symptoms include: diarrhoea, muscle pains, fever, dehydration and …

trichinous
Infected with trichina worms. ... (05 Mar 2000) ...

trichion
A cephalometric point at the midpoint of the hairline at the top of the forehead. ... Origin: G. Thrix, hair ... (05 Mar 2000) ...

trichite
1. <chemical> A kind of crystallite resembling a bunch of hairs, common in obsidian. ... 2. <zoology> A delicate, hairlike siliceous spicule, found in certain sponges. ... <zoology> Trichite sheaf, one of the small sheaflike fascicles of slender setae characteristic of certain sponges. ... Origin: Gr, hair. ... Source: Websters Dictio …

trichitis
Inflammation of the hair bulbs. ... Origin: trich-+ G. -itis, inflammation ... (05 Mar 2000) ...

trichloral
Synonym for m-chloral ... A polymer of chloral obtained by prolonged contact with sulfuric acid; it has properties similar to those of chloral hydrate. ... Synonym: metachloral, p-chloral, trichloral. ... (05 Mar 2000) ...

trichlorfon
<chemical> A organochlorophosphate cholinesterase inhibitor that is used as an insecticide for the control of flies and roaches. It is also used in anthelmintic compositions for animals. ... Pharmacological action: anthelmintic, cholinesterase inhibitor, insecticide, organophosphate. ... Chemical name: Phosphonic acid, (2,2,2-trichloro-1-hydrox …

trichlormethiazide
<chemical> A thiazide diuretic with properties similar to those of hydrochlorothiazide. ... Pharmacological action: antihypertensive agents, diuretics, thiazide. ... Chemical name: 2H-1,2,4-Benzothiadiazine-7-sulfonamide, 6-chloro-3-(dichloromethyl)-3,4-dihydro-, 1,1-dioxide ... (12 Dec 1998) ...

trichlormethine
2,2',2'-Trichlorotriethylamine hydrochloride; tris(2-chloroethyl)amine hydrochloride;a nitrogen mustard used in the treatment of leukaemia. ... (05 Mar 2000) ...

trichloroacetic acid
<chemical> Chemical name: Acetic acid, trichloro- ... (12 Dec 1998) ...

trichloroepoxypropane
<chemical> 1,1,1-trichloro-2,3-epoxypropane. A potent epoxide hydrase and aryl hydrocarbon hydroxylase inhibitor. It enhances the tumour-initiating ability of certain carcinogens. ... Pharmacological action: enzyme inhibitors. ... Chemical name: Oxirane, (trichloromethyl)- ... (12 Dec 1998) ...

trichloroethane
CH3CCl3; 1,1,1-Trichloroethane;an industrial solvent with pronounced inhalation anaesthetic activity. ... Synonym: methylchloroform. ... (05 Mar 2000) ...

trichloroethanes
Chlorinated ethanes which are used extensively as industrial solvents. They have been utilised in numerous home-use products including spot remover preparations and inhalant decongestant sprays. These compounds cause central nervous system and cardiovascular depression and are hepatotoxic. Include 1,1,1- and 1,1,2-isomers. ... (12 Dec 1998) ...

trichloroethanol
CCl3CH2OH; 2,2,2-Trichloroethanol;a hypnotic and sedative; as a metabolite of chloral hydrate, it contributes to the depressant activity of chloral hydrate. ... Synonym: trichloroethyl alcohol. ... (05 Mar 2000) ...

trichloroethene
Synonym for trichloroethylene ... <chemical> A highly volatile inhalation anaesthetic used mainly in short surgical procedures where light anaesthesia with good analgesia is required. It is also used as an industrial solvent. Prolonged exposure to high concentrations of the vapor can lead to cardiotoxicity and neurological impairment. ... Pharm …

trichloroethyl alcohol
Synonym for trichloroethanol ... CCl3CH2OH; 2,2,2-Trichloroethanol;a hypnotic and sedative; as a metabolite of chloral hydrate, it contributes to the depressant activity of chloral hydrate. ... Synonym: trichloroethyl alcohol. ... (05 Mar 2000) ...

trichloroethylene
<chemical> A highly volatile inhalation anaesthetic used mainly in short surgical procedures where light anaesthesia with good analgesia is required. It is also used as an industrial solvent. Prolonged exposure to high concentrations of the vapor can lead to cardiotoxicity and neurological impairment. ... Pharmacological action: anaesthetics, …

trichlorofluoromethane
CCl3F;a propellant used for aerosol sprays; has anaesthetic and arrhythmogenic activity if inhaled in high concentration. ... Synonym: trichloromonofluoromethane. ... (05 Mar 2000) ...

trichloromethane
Synonym for chloroform ... A heavy, clear colourless liquid with a strong ether-like odour, once used for anaesthesia, but now obsolete. ... (27 Sep 1997) ...

trichloromonofluoromethane
Synonym for trichlorofluoromethane ... CCl3F;a propellant used for aerosol sprays; has anaesthetic and arrhythmogenic activity if inhaled in high concentration. ... Synonym: trichloromonofluoromethane. ... (05 Mar 2000) ...

trichlorophenol
2,4,5-Trichlorophenol or 2,4,6-trichlorophenol;used as an antiseptic, disinfectant, and fungicide. ... (05 Mar 2000) ...

tricho-
Trich-trichi- ... The hair; a hairlike structure. ... Origin: G. Thrix (trich-) ... (05 Mar 2000) ...

trichobezoar
A hair cast in the stomach or intestinal tract, common in cats. ... Synonym: hair ball, pilobezoar. ... Origin: tricho-+ bezoar ... (05 Mar 2000) ...

Trichocephalus
Incorrect name for Trichuris. ... Origin: tricho-+ G. Kephale, head ... (05 Mar 2000) ...