noun Cell Biology.
the central plane of the spindle in a dividing cell, to which chromosomes migrate during the metaphase of mitosis or meiosis.
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Origin of equatorial plate
First recorded in 1885–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Medicine definitions for equatorial plate
The plane located midway between the poles of a dividing cell during miotic metaphase and touching the centromeres and their spindle attachments.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.