Also found in: Dictionary.
Related to Periblem: dermatogen, Plerome


A layer of primary meristem which produces the cortical cells.
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 It might be outdated or ideologically biased.



in botany, one of the layers of initial meristematic cells of the root apex. From the periblem arise the cells of the primary cortex of the root and, sometimes, the cells of the root cap and protoderm, which are differentiated into the epiblem. The periblem does not appear in the shoot apex.

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