| trigger finger | An affection in which the movement of the finger is arrested for a moment in flexion or extension and then continues with a jerk. Synonym: jerk finger, lock finger, snap finger, spring finger, stuck finger. (05 Mar 2000) |
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| trigger point | A specific point or area where, if stimulated by touch, pain, or pressure, a painful response will be induced. Synonym: dolorogenic zone, trigger area, trigger zone. (05 Mar 2000) |
| trigger protein | <protein> See U protein. (18 Nov 1997) |
| trigger zone | Dolorogenic zone (= producing or causing pain). (18 Nov 1997) |
| triggered activity | One or a series of spontaneously generated heart beats originating from an action potential that produces an after-depolarisation which reaches activation threshold. (05 Mar 2000) |
| trigintal | A trental. Origin: LL. Trigintate, fr. L. Triginta thirty. See Trental. Source: Websters Dictionary (01 Mar 1998) |
| triglucosylalkylacylglycerol sulfotransferase | <enzyme> From rat salivary glands; catalyses transfer of sulfate group from 3'-phosphoadenosine 5'-phosphosulfate to c-6 of terminal glucose residue forming sulfated triglucosyl glyceroglucolipid Registry number: EC 2.8.2.19 Synonym: triglucosyl glyceroglucolipid sulfurtransferase, taag-sulfotransferase, triglucosyl monoalkylmonoacylglycerol sulfotransferase (26 Jun 1999) |
| 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 been correlated with the development of atherosclerosis, the underlying cause of heart disease and stroke. In plants they tend to be esters of unsaturated fatty acids (vegetable oils). Present as a minor component of cell membrane. Important energy supply in heart muscle. (27 Sep 1997) |
| trigon | 1. A figure having three angles; a triangle. 2. <astronomy> A division consisting of three signs. Trine, an aspect of two planets distant 120 degrees from each other. 3. A kind of triangular lyre or harp. A kind of game at ball played by three persons standing at the angular points of a triangle. Origin: L. Trigonum, Gr.; (see Tri-) + a corner, angle: cf. F. Trigone. Source: Websters Dictionary (01 Mar 1998) |
| trigona | Plural of trigonum. Origin: L. (05 Mar 2000) |
| trigona fibrosa cordis | See: right fibrous trigone, left fibrous trigone. (05 Mar 2000) |
| trigonal | <botany> Triangular in cross-section as applied to stems. (09 Oct 1997) |
| trigone | <anatomy> A smooth triangular area on the inner surface of the bladder, limited by the apertures of the ureters and urethra. Origin: F, literally, a trigon. Source: Websters Dictionary (01 Mar 1998) |
| trigone of auditory nerve | The slight prominence of the floor of the lateral recess of the fourth ventricle, corresponding to the underlying cochlear and vestibular nuclei. Synonym: acoustic tubercle, trigonum acustici. (05 Mar 2000) |
| trigone of bladder | A triangular smooth area at the base of the bladder between the openings of the two ureters and that of the urethra. Synonym: trigonum vesicae, Lieutaud's body, Lieutaud's triangle, Lieutaud's trigone, vesical triangle. (05 Mar 2000) |