equatorial plate

noun Cell Biology.
the central plane of the spindle in a dividing cell, to which chromosomes migrate during the metaphase of mitosis or meiosis.

Origin:
1885–90

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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American Heritage
Medical Dictionary

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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Example sentences
Meiosis in the buds proceeded abnormally also, with the bivalent chromosomes failing to arrange correctly on the equatorial plate.
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