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macromere

[mak-ruh-meer]
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noun Embryology.
  1. one of the large blastomeres that form toward the vegetal pole in embryos undergoing unequal cleavage.
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Origin of macromere

First recorded in 1875–80; macro- + -mere
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for macromere

macromere

noun
  1. embryol any of the large yolk-filled cells formed by unequal cleavage of a fertilized ovum
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

macromere in Medicine

macromere

(măkrə-mî′)
n.
  1. A large blastomere.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.