water-expulsion vacuole

См. также в других словарях:

• water expulsion vesicle — contractile vacuole …   Medical dictionary

• 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… …   Universalium

• Contractile vacuole — Protist Paramecium aurelia with contractile vacuoles A contractile vacuole (abbreviation: CV) is a sub cellular structure (organelle) involved in osmoregulation. It is found predominantly in protists and in unicellular algae. It was previously… …   Wikipedia

• contractile vacuole — n a vacuole in a unicellular organism that contracts regularly to discharge fluid from the body * * * an osmoregulatory organelle of protozoa and sponges that alternately fills with water extracted from the adjacent cytoplasm and then ejects the… …   Medical dictionary

• Cell nucleus — HeLa cells stained for the cell nucleus DNA with the Blue Hoechst dye. The central and rightmost cell are in interphase, thus their entire nuclei are labeled. On the left, a cell is going through mitosis and its DNA has condensed ready for… …   Wikipedia