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equatorial plate

noun, Cell Biology
1.
the central plane of the spindle in a dividing cell, to which chromosomes migrate during the metaphase of mitosis or meiosis.
Origin
1885-1890
1885-90
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for equatorial plate
  • Meiosis in the buds proceeded abnormally also, with the bivalent chromosomes failing to arrange correctly on the equatorial plate.
equatorial plate in Medicine

equatorial plate n.
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.
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