Tonoplast(redirected from tonoplasts)
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The membrane surrounding a plant-cell vacuole.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
the membrane that surrounds a cell vacuole, similar in structure to the membranes of the endoplasmic network. Tonoplasts have selective permeability and the capacity for active transport of ions.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.