Origin of blastomere

First recorded in 1875–80; blasto- + -mere
Related formsblas·to·mer·ic [blas-tuh-mer-ik, -meer-] /ˌblæs təˈmɛr ɪk, -ˈmɪər-/, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for blastomere

Historical Examples of blastomere

British Dictionary definitions for blastomere


  1. embryol any of the cells formed by cleavage of a fertilized egg
Derived Formsblastomeric (ˌblæstəʊˈmɛrɪk), adjective
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

blastomere in Medicine


  1. Any of the cells resulting from the cleavage of a fertilized ovum during early embryonic development.
Related formsblas′to•meric (-mîrĭk, -mĕr-) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

blastomere in Science


  1. Any of the cells resulting from the cleavage of a fertilized ovum. In the initial stage of development, the blastomeres adhere to each other in a mass called a morula.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.