Also ameba. A single-celled (protozoan) organism that constantly changes shape. The word “ameba” is from the Greek “amoibe” meaning “change.” Ameba can infect the bowels to cause diarrhea and the liver to cause abscess formation.
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A genus of naked, lobose, pseudopod-forming protozoa of the class Sarcodina (or Rhizopoda), that are abundant soil-dwellers, especially in rich organic debris, and are also commonly found as parasites. The typical amebic parasites of humans are now placed in the genera Entamoeba, Endolimax, and Iodamoeba. SEE ALSO: Naegleria. [Mod. L. fr. G. amoibe change]
- A. buccalis former name for Entamoeba gingivalis.
- A. coli old, incorrect name Entamoeba coli.
- A. dentalis former name for Entamoeba gingivalis.
- A. dysenteriae old, incorrect name for Entamoeba histolytica.
- A. histolytica old, incorrect name for Entamoeba histolytica.
- A. proteus an abundant, nonparasitic species, remarkable for the number and varied shapes of its pseudopodia.

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Amoe·ba ə-'mē-bə n a large genus of naked rhizopod protozoans that have lobed and never anastomosing pseudopodia and are widely distributed in fresh and salt water and moist terrestrial environments

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n. (pl. amoebae)
any protozoan of jelly-like consistency and irregular and constantly changing shape. Found in water, soil and other damp environments, they move and feed by means of flowing extensions of the body (see pseudopodium). Some amoebae cause disease in humans (see Acanthamoeba, Entamoeba).
amoebic adj.

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Amoe·ba (ə-meґbə) [L., from Gr. amoibē change] a genus of ramicristate amebae, protozoa now classified in the order Euamoebida; species have a vesicular nucleus, usually one contractile vacuole, and lobopodia, and are usually free living. Numerous species once included in this genus have been assigned to other genera.

Medical dictionary. 2011.

Look at other dictionaries:

  • Amoeba — Разработчик Эндрю Таненбаум Последняя версия 5.3 12 февраля 2001 Тип ядра Микроядро Лицензия MIT Состояние Остановлен Веб сайт …   Википедия

  • Amoeba — Saltar a navegación, búsqueda Amoeba se puede referir: Amoeba, Sistema Operativo Distribuido. Amoeba, género de protistas. Obtenido de Amoeba Categoría: Wikipedia:Desambiguación …   Wikipedia Español

  • Amoeba — bezeichnet eine Gattung der Amöben, siehe Amoeba (Gattung) ein Betriebssystem, siehe Amoeba (Betriebssystem) Diese Seite ist eine Begriffsklärung zur Unterscheidung mehrerer mit demselben Wort bezeichneter Begriffe …   Deutsch Wikipedia

  • Amoeba — Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom. Amibe Amoeba : Système d exploitation distribué développé en 1981 à l Université libre d Amsterdam par Andrew Tanenbaum. Ce document provient de «… …   Wikipédia en Français

  • amoeba — [ə mē′bə] n. pl. amoebas or amoebae [ə mē′bē] [ModL < Gr amoibē, change < ameibein, to change] 1. a one celled, microscopic organism belonging to any of several families of rhizopods that move and feed using pseudopodia and reproduce by… …   English World dictionary

  • Amoeba — A*moe ba, Amoeba A*m[oe] ba, n.; pl. L. {Am[oe]b[ae]}; E. {Am[oe]bas}. [NL., fr. Gr. ? change.] (Zo[ o]l.) A rhizopod common in fresh water, capable of undergoing many changes of form at will. Same as {ameba}. See {Rhizopoda}. [1913 Webster] || …   The Collaborative International Dictionary of English

  • amoeba — см. Приложение 1 (Amoeba). (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • amoeba — (n.) 1855, from Mod.L. Amoeba, genus name (1841), from Gk. amoibe change, related to ameibein to change, exchange, from PIE *e meigw , extended form of root *mei to change, go, move (see MUTABLE (Cf. mutable)). So called for its constantly… …   Etymology dictionary

  • amoeba — amoeba. См. амебы. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • amoebă — s.f. v. amibă. Trimis de LauraGellner, 13.09.2007. Sursa: DN …   Dicționar Român

  • Amoeba — vgl. Amöbe …   Das Wörterbuch medizinischer Fachausdrücke

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