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Vacuole


Vacuoles are membrane-bounded compartments within some eukaryotic cells that can serve a variety of secretory, excretory, and storage functions.
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Vacuole
[L. vacuus - empty; L. -ole - diminutive ending]. In a cell, a membrane bound compartment separating material from the cytoplasm.
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Vacuoles in plant cells: the central vacuole
Most mature plant cells have a central vacuole, which often takes up more than 80% of the cell interior. It is surrounded by a membrane, called the tonoplast.
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contractile vacuole
a hollow structure that alternately contracts and expands, as found in amebae, paramecia, and so forth
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby ...
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Vacuoles
Plasmolysis
The Plant Cell
Plant cells are eukaryotic and have many of the structures found in animal cells. Link to pages describing these.
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Vacuoles are membranous sacs similar to, but larger than vesicles.
Vacuoles store water and dissolved substances.
They are more important in plant cells. Most of the center of a plant cell is occupied by a central vacuole.
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vacuoles Membrane-bound þuid-?lled spaces in plant and animal cells that remove waste products and store ingested food. PICTURE
vagina The tubular organ that is the site of sperm deposition and also serves as the birth canal. PICTURE ...
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vacuole A membrane-bounded, fluid-filled space in a cell.
vagabond's disease Darkened, thickened skin caused by years of infestation with body lice, Pediculus humanus humanus.
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vacuole
[L. vacuus, empty]
A membrane-enclosed sac taking up most of the interior of a mature plant cell and containing a variety of substances important in plant reproduction, growth, and development.
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vacuole -- Membrane-bound fluid-filled space within a cell. In most plant cells, there is a single large vacuole filling most of the cell's volume. Some bacterial cells contain gas vacuoles.
Last updated:2006-08-27 ...
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vacuole: an organelle found in mature plant cells that stores nutrients and toxic waste.
vagina: a muscular organ in female mammals leading from the cervix to the exterior.
vascular bundles: arrangements of the xylem and phloem in vascular plants.
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Closterium genus of Desmids in Kingdom Protista; Division Chlorophyta which bear a gypsum-containing vacuole at each tip of their cells
(closter = thread yarn) ...
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