| trophonucleus | The larger nucleus (or sometimes nuclei) in ciliate protozoans. Derived from the micronucleus by a process of DNA polytenisation. The DNA in the macronucleus is actively transcribed. The macronucleus degenerates before conjugation. (18 Nov 1997) |
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| trophoplast | Synonym: plastid. Origin: tropho-+ G. Plastos, formed (05 Mar 2000) |
| trophosome | <zoology> The nutritive zooids of a hydroid, collectively, as distinguished from the gonosome, or reproductive zooids. Origin: Gr. A feeder + -some body. Source: Websters Dictionary (01 Mar 1998) |
| trophosperm | <botany> The placenta. Origin: Gr. A feeder + seed: cf. F. Trophosperme. See Trophi. Source: Websters Dictionary (01 Mar 1998) |
| trophospongia | 1. Canalicular structures described by A.F. Holmgren in the protoplasm of certain cells. 2. Vascular endometrium of the uterus between the myometrium and the trophoblast. Origin: tropho-+ G. Spongia, a sponge (05 Mar 2000) |
| trophotaxis | Synonym: trophotropism. Origin: tropho-+ G. Taxis, arrangement (05 Mar 2000) |
| trophotropic | Relating to trophotropism. (05 Mar 2000) |
| trophotropic zone of Hess | An area in the hypothalamus concerned with rewarding bodily sensations. (05 Mar 2000) |
| trophotropism | Chemotaxis of living cells in relation to nutritive material; it may be positive (toward nutritive material) or negative (away from nutritive material). Synonym: trophotaxis. Origin: tropho-+ G. Trope, a turning (05 Mar 2000) |
| trophozoite | <biology, microbiology> The feeding stage of a protozoan (as distinct from reproductive or encysted stages). (18 Nov 1997) |
| tropia | Abnormal deviation of the eye. See: strabismus. Origin: G. Trope, a turning (05 Mar 2000) |
| tropic | 1. <suffix> A turning toward, having an affinity for. Compare: -trophic. Origin: G. Trope, a turning 2. <chemistry> Of, pertaining to, or designating, an acid obtained from atropine and certain other alkaloids, as a white crystalline substance slightly soluble in water. 3. <astronomy> One of the two small circles of the celestial sphere, situated on each side of the equator, at a distance of 23 deg 28 min, and parallel to it, which the sun just reaches at its greatest declination north or south, and from which it turns again toward the equator, the northern circle being called the Tropic of Cancer, and the southern the Tropic of Capricorn, from the names of the two signs at which they touch the ecliptic. 4. <geography> One of the two parallels of terrestrial latitude corresponding to the celestial tropics, and called by the same names. The region lying between these parallels of latitude, or near them on either side. 5. <zoology> Tropic bird, any one of three species of oceanic belonging to the genus Phaethon, found chiefly in tropical seas. They are mostly white, and have two central tail feathers very long and slender. The yellow-billed tropic bird. Phaethon flavirostris (called also boatswain), is found on the Atlantic coast of America, and is common at the Bermudas, where it breeds. Origin: F. Tropique, L.tropicus of or belonging to a turn, i. E, of the sun, Gr. Of the solstice, (sc) the tropic or solstice, fr. To turn. See Trope. Source: Websters Dictionary (20 Jun 2000) |
| tropic acid | <chemical> A constituent of atropine and of scopolamine, in which it is esterified through its COOH to the 3-CHOH of tropine. Chemical name: alpha-phenylhydracrylic acid; 2-phenyl-3-hydroxypropionic acid Structure: HOCH2CH(C6H5)COOH Synonym: tropaic acid, tropeic acid. (05 Mar 2000) |
| tropic acid dehydrogenase | <enzyme> Catalyses nad-dependent conversion of tropic acid to phenylacetaldehyde via oxidative decarboxylation; isolated from pseudomonas Registry number: EC 1.1.1.- (26 Jun 1999) |
| tropic hormone | <endocrinology> A peptide hormone that stimulates a specific target gland to secrete adifferent set of hormones. (09 Oct 1997) |
| trochlea |
Gr. trochileia, a pulley. Trochlear nerve supplies the superior extraocular oblique muscle, whose tendon passes through a fibrous ring, the trochlea.
출처: www.vh.org/adult/provider/anatomy/MicroscopicAnato...
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| trochlear |
Relating to trochlea.
출처: www.vh.org/adult/provider/anatomy/MicroscopicAnato...
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| trough |
The point in the business cycle when an economic contraction reaches its lowest point before turning up. Contrasts with peak.
출처: www-personal.umich.edu/~alandear/glossary/t.html
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| trophic |
Relating to processes of energy and nutrient transfer from one or more organisms to others in an ecosystem.
출처: www.reefed.edu.au/glossary/t.html
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| trough |
(wave) bottom part of wave.
출처: www.reefed.edu.au/glossary/t.html
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| TRO | a slow pace of running |
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| TRO | a literal translation used in studying a foreign language (often used illicitly) |
| TRO | run at a moderately swift pace |
| TRO | cause to trot |
| TRO | ride at a trot |
| TRO | radicals who support Trotsky's theory that socialism must be established throughout the world by continuing revolution |
| TRO | bring out and show for inspection and admiration |
| TRO | a solemn pledge of fidelity |
| TRO | a mutual promise to marry |
| TRO | a long fishing line with many shorter lines and hooks attached to it (usually suspended between buoys) |
| TRO | Russian revolutionary and Communist theorist who helped Lenin and built up the army |
| TRO | radicals who support Trotsky's theory that socialism must be established throughout the world by continuing revolution |