trichomonad

trichomonad
—trichomonadal /trik'euh mon"euh dl, -moh"neuh-/, trichomonal /trik'euh mon"l, -mohn"l, tri kom"euh nl/, adj.
/trik'euh mon"ad, -moh"nad/, n.
any flagellate protozoan of the genus Trichomonas, parasitic in humans or animals.
[1860-65; < NL Trichomonad- (s. of Trichomonas) genus name. See TRICHO-, MONAD]

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Any protozoan of the zooflagellate order Trichomonadida.

Trichomonads have three to six flagella, and they may have one or multiple nuclei. Most inhabit the digestive systems of animals. Three species occur in humans: T. hominis in the intestine, T. vaginalis in the vagina, and T. buccalis in the mouth.

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 any protozoan of the zooflagellate order Trichomonadida. Trichomonads have three to six flagella, and one commonly trails or borders an undulating membrane. Most trichomonads inhabit the digestive systems of animals. They may be uninucleate or multinucleate. Reproduction is by division.

      The genus Trichomonas is a common parasite in the digestive system of many animals. Trichomonas cells are pear-shaped and may have four flagella anteriorly and a fifth bordering the undulating membrane. A mouth and a basal rod (costa) are found along the membrane; an axostyle, a stiff rod of cytoplasm used for support, often protrudes posteriorly. Three species occur in humans: T. hominis in the intestine, T. vaginalis in the vagina, and T. buccalis in the mouth. Tritrichomonas foetus is a pathogenic form in cattle. See trichomoniasis.

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Universalium. 2010.

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Look at other dictionaries:

  • trichomonad — [trik΄ə mō′nad, trik΄əmän′ad] n. [< ModL Trichomonas (gen. Trichomonadis): see TRICHO & MONAD] any of a genus (Trichomonas) of parasitic or commensal zooflagellates …   English World dictionary

  • trichomonad — noun Etymology: New Latin Trichomonad , Trichomonas, from trich + Late Latin monad , monas monad Date: 1861 any of a genus (Trichomonas) of flagellated protozoans parasitic in many animals • trichomonad or trichomonal adjective …   New Collegiate Dictionary

  • trichomonad — Common name for members of the family Trichomonadidae. * * * tricho·mo·nad .trik ə mō .nad, nəd n any protozoan of the genus Trichomonas trichomonad adj TRICHOMONAL * * * tricho·mo·nad (trik″o moґnad) (trik″o monґad) [tricho + monad]… …   Medical dictionary

  • trichomonad — trich•o•mon•ad [[t]ˌtrɪk əˈmɒn æd, ˈmoʊ næd[/t]] n. mcr any flagellate protozoan of the genus Trichomonas, parasitic in humans or animals • Etymology: 1860–65; < NL Trichomonad , s. of Trichomonas. See tricho , monad trich o•mon′a•dal,… …   From formal English to slang

  • Trichomonad — Taxobox color = khaki name = Trichomonads domain = Eukaryota unranked phylum = Excavata phylum = Metamonada classis = Parabasalia ordo = Trichomonadida ordo authority = Brugerolle Lee 2000 subdivision ranks = families subdivision = Calonymphidae… …   Wikipedia

  • trichomonad — noun Any of many flagellate protozoans, of the genus Trichomonas, most of which are parasitic …   Wiktionary

  • trichomonad — trich·o·mon·ad || ‚trɪkəʊ mÉ‘næd / mÉ’næd n. flagellate protozoan parasite which causes the sexually transmitted disease trichomoniasis …   English contemporary dictionary

  • trichomonad — [ˌtrɪkə(ʊ) mɒnad] noun Zoology & Medicine a parasitic protozoan of an order (Trichomonadida) with four to six flagella, infesting the urogenital or digestive system. Derivatives trichomonal adjective Origin C19: from mod. L. Trichomonadida, from… …   English new terms dictionary

  • trichomonad — trich·o·mon·ad …   English syllables

  • trichomonad — /trɪkoʊˈmɒnæd/ (say trikoh monad) noun any flagellate protozoan of the genus Trichomonas, parasitic in humans and animals …  

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