| choanomastigote | A term, in the series used to describe developmental stages of the parasitic flagellates, denoting the "barleycorn" form of the flagellate in the genus Crithidia characterised by a collarlike extension surrounding the anterior and through which the single flagellum emerges. See: amastigote, epimastigote, promastigote, trypomastigote. Synonym: choanoflagellate, collared flagellate. Origin: G. Choane, a funnel, + mastix, whip (05 Mar 2000) |
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| choanomastigote |
any of the bodies representing the morphologic (“barleycorn”) stage in the life cycle of trypanosomatid protozoa of the genus Crithidia, in which the kinetoplast and basal body are anterior to the nucleus and the flagellum emerges through a funnel-shaped depression at the anterior end of the cell. Cf. amastigote, epimastigote, opisthomastigote, promastigote, and trypomastigote.
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