Site on a protozoan where undigestible matter is expelled.

Microbiology. . 2009.

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  • cytoproct — Cell anus: region at posterior of a ciliate where exhausted food vacuoles are expelled …   Dictionary of molecular biology

  • cytoproct — cy·to·proct (siґto prokt) [cyto + Gr. prōktos anus] a permanent posterior pore seen in certain ciliates, through which waste egesta can be eliminated. Called also cytopyge …   Medical dictionary

  • cytoproct — cy·to·proct …   English syllables

  • cytoproct — ˈ ̷ ̷ ̷ ̷ˌpräkt noun ( s) Etymology: cyt + Greek prōktos buttocks more at proct : cytopyge …   Useful english dictionary

  • protozoan — /proh teuh zoh euhn/, n., pl. protozoans, (esp. collectively) protozoa / zoh euh/, adj. Biol. n. 1. any of a diverse group of eukaryotes, of the kingdom Protista, that are primarily unicellular, existing singly or aggregating into colonies, are… …   Universalium

  • Ciliate — For the type of leaf margin, see Leaf#Margins (edge). Ciliated Cells Temporal range: Ediacaran Recent …   Wikipedia

  • cyclosis — Cyclical streaming of the cytoplasm of plant cells, conspicuous in giant internodal cells of algae such as Chara, in pollen tubes and in stamen hairs of Tradescantia. Term also used to denote cyclical movement of food vacuoles from mouth to… …   Dictionary of molecular biology

  • protist — protistan /proh tis teuhn/, adj., n. protistic, adj. /proh tist/, n. any of various one celled organisms, classified in the kingdom Protista, that are either free living or aggregated into simple colonies and that have diverse reproductive and… …   Universalium

  • cytopyge — The anal orifice (cell “anus”) found in certain structurally complex protozoa, such as the rumen dwelling ciliates of herbivores, through which waste matter is ejected. [cyto + G. pyge, buttocks] * * * cy·to·pyge (si″to piґje) [cyto +… …   Medical dictionary

  • Climacostomum — sp. Scientific classification Domain: Eukaryota Ki …   Wikipedia

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