- a small blastomere, as one of those that form toward the animal pole in embryos that undergo unequal cleavage or those that occur in the embryo of mammals.
Origin of micromere
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- embryol any of the small cells formed by unequal cleavage of a fertilized ovum
- A very small blastomere, as at the animal pole of certain eggs.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.