vacuole defined in 1951 yearvacuole - vacuole;
vacuole - Fluid-filled space within the cytoplasm, bounded by a membrane. A single vacuole, taking up most of volume of cell, is present in many plant cells; contains solution (cell sap) isotonic with cytoplasm. Does not occur in cells of bacteria and blue-green algae. See also: Contractile Vacuole.
near vacuole in Knolik
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