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A thick-walled, lignified plant cell typically found in sclerenchyma.
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 It might be outdated or ideologically biased.



a structural component of the sclerenchyma, that is, the mechanical tissue of plants. Sclereids derive from the parenchyma or, less frequently, the prosenchyma cells as a result of sclerification. Their layered and often mineralized walls have numerous porous canals. The most common type of scler-eid cell is a stone cell, or brachysclereid. (Sometimes the term “stone cells” is used to designate all sclereids.)

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.