Complementary mating types that participate in a form of protozoan sexual reproduction called conjugation.

Microbiology. . 2009.

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  • conjugation — 1. The union of two unicellular organisms or of the male and female gametes of multicellular forms followed by partition of the chromatin and the production of two new cells. 2. Bacterial c., effected by simple contact, usually by means of… …   Medical dictionary

  • CILIÉS — Dans le vaste monde des Protozoaires, l’embranchement des Ciliés constitue un ensemble homogène et très différencié, assez nettement séparé des autres groupes. Il est classique de caractériser les Ciliés par la possession de cils vibratiles,… …   Encyclopédie Universelle

  • vorticella — /vawr teuh sel euh/, n., pl. vorticellae / sel ee/, vorticellas. any ciliated protozoan of the genus Vorticella, having a transparent, bell shaped body with a retractile stalk. [1780 90; < NL; see VORTEX, ELLA] * * * ▪ protist  genus of the… …   Universalium

  • chonotrich — ▪ protozoa       any small, vase shaped, sessile (i.e., attached at the base) member of the protozoan order Chonotrichida. Usually marine, they belong to subclass Holotrichia. As adults, chonotrichs have no cilia (minute hairlike projections) for …   Universalium

  • exconjugant — A member of a conjugating pair of protozoan ciliates after separation and prior to the subsequent mitotic division of each of the exconjugants. SEE ALSO: conjugant, conjugation (3). [ex + L. conjugo, to join] * * * ex·con·ju·gant (eks konґj… …   Medical dictionary

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