| trichromatic | <ornithology, zoology> Having or existing in three different phases of colour; having three distinct colour varieties; said of certain birds and insects. Origin: Pref. Tri- + chromatic. Source: Websters Dictionary (01 Mar 1998) |
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| trichromatism | <zoology> The quality, state, or phenomenon of being trichromatic. Source: Websters Dictionary (01 Mar 1998) |
| trichromatopsia | Normal colour vision; the ability to perceive the three primary colours. Origin: tri-+ G. Chroma, colour, + opsis, vision (05 Mar 2000) |
| trichrome stain | <technique> Staining combinations which usually contain three dyes of contrasting colours selected to stain connective tissue, muscle, cytoplasm, and nuclei in bright colours; generally, tissue sections are first dyed in iron haematoxylin before being treated with the other dyes. (05 Mar 2000) |
| trichromic | <optics> if, pertaining to, or consisting of, three colours or colour sensations. Origin: Pref. Tri- + Gr. Colour. <chemistry> Containing three atoms of chromium. Origin: Pref. Tri- + chromic. Source: Websters Dictionary (01 Mar 1998) |
| trichterbrust | Synonym: pectus excavatum. Origin: Ger. Trichterbrust, funnel chest (05 Mar 2000) |
| trichuriasis | <microbiology> An infection of the large intestine by Trichuris trichiura. It may be the most common helminthic infection found in Americans returning from subtropical and tropical areas. Children and the mentally retarded have the highest rate of infection due to a general lack of sanitary habits. The worms are 30-50 mm in length and attach themselves to the mucosa of the large intestine. Adult worms may live 4-8 years. Treatment is with mebendazole. (19 Jan 1998) |
| trichuris | A genus of nematode worms comprising the whipworms. (12 Dec 1998) |
| Trichuris trichiura | The whipworm of humans, a species that causes trichuriasis; the body is filiform and slender in the anterior three-fifths, and more robust posteriorly; females are 4 or 5 cm long, males are shorter (with coiled caudal extremity and a single eversible spicule); eggs are barrel-shaped, 50 to 56 by 20 to 22 um, with double shell and translucent knobs at each of the two poles; humans are the only susceptible hosts and usually acquire infection by direct finger-to-mouth contact or by ingestion of soil, water, or food that contains larvated eggs (development in the soil takes 3 to 6 weeks under proper conditions of warmth and moisture, hence distribution is chiefly tropical); larvae escape from eggs in the ileum, mature in approximately a month, and then pass directly into the caecum without undergoing a parenteral migration as occurs with Ascaris lumbricoides; adults may persist for 2 to 7 years. (05 Mar 2000) |
| trichuroidea | A superfamily of nematodes of the order enoplida. Its organisms have a well developed intestine and rectum. (12 Dec 1998) |
| tricia | <botany> The third order of the Linnaean class Polygamia. Origin: NL. See Tricious. Source: Websters Dictionary (01 Mar 1998) |
| tricious | <botany> Having three sorts of flowers on the same or on different plants, some of the flowers being staminate, others pistillate, and others both staminate and pistillate; belonging to the order Tricia. Origin: Pref. Tri- + Gr. House. Source: Websters Dictionary (01 Mar 1998) |
| tricipital | <anatomy> Having three heads, or three origins; as, a tricipital muscle. See: Triceps. Source: Websters Dictionary (01 Mar 1998) |
| triclinate | <chemical> Triclinic. Source: Websters Dictionary (01 Mar 1998) |
| triclinic | <chemistry> Having, or characterised by, three unequal axes intersecting at oblique angles. See the Note under crystallization. Origin: Pref. Tri- + Gr. To incline. Source: Websters Dictionary (01 Mar 1998) |
| trichostasis spinulosa |
(tri
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| trichostrongyliasis |
(tricho
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| Trichostrongylus |
(Tricho
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| Trichothecium |
(Tricho
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| trich- |
(trich(o)-) [Gr. thrix, gen. trichos, hair] a prefix denoting relationship to hair.
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