cytostome

cytostome
The cell “mouth” of certain complex protozoa, usually with a short gullet or cytopharynx leading food into the organism, where it is collected into food vacuoles, then circulated inside the body, eventually to be excreted through the cytopyge. [cyto- + G. stoma, mouth]

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cy·to·stome 'sīt-ə-.stōm n the mouth of a unicellular organism

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cy·to·stome (siґto-stōm) [cyto- + stoma] the mouth opening of ciliates and certain other protozoa, which opens into the cytopharynx, which in turn opens into the endoplasm.

Medical dictionary. 2011.

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  • cytostome — n. The mouth of a protozoan. [WordNet 1.5] …   The Collaborative International Dictionary of English

  • cytostome — [sitostom] n. m. ÉTYM. Déb. XXe; t. créé en all. Zytostom, av. 1888. → Cyto , et stome. ❖ ♦ Zool. Ouverture de la membrane protoplasmique servant à l ingestion des aliments, chez certains organismes unicellulaires. || Ciliés sans cytostome. ⇒… …   Encyclopédie Universelle

  • Cytostome — A cytostome or cell mouth is a part of a cell specialized for phagocytosis, usually in the form of a microtubule supported funnel or groove. Food is directed into the cytostome, and sealed into vacuoles. Only certain groups of protozoa, such as… …   Wikipedia

  • Cytostome — Le cytostome est une invagination de la membrane plasmique de certains Eucaryotes unicellulaires (comme les Euglenophyta). Il peut être assimilé à la bouche des organismes multicellulaires, puisque les particules alimentaires y transitent avant d …   Wikipédia en Français

  • cytostome — (si to stōm) A permanent site in the protozoan ciliate body through which food is ingested …   Dictionary of microbiology

  • cytostome — cytostomal, adj. /suy teuh stohm /, n. the mouth of a protozoan. [1885 90; CYTO + STOME] * * * …   Universalium

  • cytostome — noun A cellular organelle found only in certain protozoa; it is specialized for phagocytosis, and usually has the form of a microtubule supported funnel or groove. Syn: cell mouth …   Wiktionary

  • cytostome — cy·to·stome …   English syllables

  • cytostome — noun mouth of a protozoan • Hypernyms: ↑mouth • Part Holonyms: ↑protozoan, ↑protozoon * * * ˈ ̷ ̷ ̷ ̷ at cyto +ˌstōm noun ( s) …   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

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