vacuole

vacuole
vacuolar /vak'yooh oh"leuhr, vak"yooh euh-, vak"yeuh leuhr/, adj.
/vak"yooh ohl'/, n. Biol.
1. a membrane-bound cavity within a cell, often containing a watery liquid or secretion. See diag. under cell.
2. a minute cavity or vesicle in organic tissue.
[1850-55; < F; see VACUUM, -OLE1]

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Space within a cell that is empty of cytoplasm, lined with a membrane, and filled with fluid.

Especially in protozoans, vacuoles perform functions such as storage, ingestion, digestion, excretion, and expulsion of excess water. The large central vacuoles often found in plant cells enable them to attain a large size without accumulating the bulk that would make metabolism difficult.

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 in biology, a space within a cell that is empty of cytoplasm, lined with a membrane, and filled with fluid. Especially in protozoa, vacuoles are cytoplasmic organs (organelles), performing functions such as storage, ingestion, digestion, excretion, and expulsion of excess water. The large central vacuoles often found in plant cells enable them to attain a large size without accumulating the bulk that would make metabolism difficult.

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Universalium. 2010.

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  • vacuole — [ vakɥɔl ] n. f. • 1734; du lat. vacuum ♦ Didact. Petite cavité, intervalle vide. Vacuoles de certaines scories, des lapilli. Histol. Espace circonscrit, parfois limité par une membrane, au sein du cytoplasme d une cellule ou d un organisme… …   Encyclopédie Universelle

  • Vacuole — Vac u*ole, n. [L. vacuus empty: cf. F. vacuole.] (Biol.) A small air cell, or globular space, in the interior of organic cells, either containing air, or a pellucid watery liquid, or some special chemical secretions of the cell protoplasm. [1913… …   The Collaborative International Dictionary of English

  • vacuole — 1853, from Fr. vacuole, from L. vacuus empty (see VACUUM (Cf. vacuum)) …   Etymology dictionary

  • vacuole — vacuole. См. вакуоль. (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.

  • Vacuole — Vacuole, aus Golgi Vesikeln oder Erweiterungen des ER entstehender, mit Flüssigkeit, dem Zellsaft, gefüllter Hohlraum in Pflanzenzellen; dient der Regulation des Wasserhaushalts der Zelle, dem Abbau von Makromolekülen und der Stoffspeicherung.… …   Deutsch wörterbuch der biologie

  • vacuole — ► NOUN Biology ▪ a space or vesicle inside a cell, enclosed by a membrane and typically containing fluid. ORIGIN from Latin vacuus empty …   English terms dictionary

  • vacuole — [vak′yo͞o ōl΄] n. [Fr < L vacuus, empty] Biol. a fluid filled cavity within the cytoplasm of a cell, surrounded by a membrane that usually encloses food, water, or air vacuolar [vak′yo͞o wə lər, vak΄yoo wō′lər] adj …   English World dictionary

  • Vacuole — La vacuole est un organite présent dans la cellule végétale, les cellules fongiques[1]. De rares auteurs parlent de vacuoles dans les cellules animales mais le terme de vésicule est plus approprié[2]. Les vacuoles sont des compartiments délimités …   Wikipédia en Français

  • Vacuole — [ Organelles: (1) nucleolus (2) nucleus (3) ribosomes (little dots) (4) vesicle (5) rough endoplasmic reticulum (ER) (6) Golgi apparatus (7) Cytoskeleton (8) smooth ER (9) mitochondria (10) vacuole (11) cytoplasm (12) lysosome (13) centrioles… …   Wikipedia

  • vacuole — vakuolė statusas T sritis augalininkystė apibrėžtis Citoplazmos ertmė, pripildyta ląstelės sulčių. atitikmenys: angl. vacuole rus. вакуоль …   Žemės ūkio augalų selekcijos ir sėklininkystės terminų žodynas

  • Vacuole digestive — Vacuole La vacuole est une cavité remplie de fluide dans les cellules végétales et dans les cellules des champignons, et dont la fonction est d emmagasiner les éléments nutritifs et l eau. Sommaire 1 Cellule animale 2 Cellule végétale 2.1… …   Wikipédia en Français

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