- (of certain eggs) undergoing partial cleavage, resulting in unequal blastomeres.
Origin of meroblastic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for meroblastic
The segmentation is meroblastic, and similar to that in Birds.
The segmentation is meroblastic, and the germinal disc adjoins the opening of the oviduct.
The segmentation, which is preceded by active movements of the germinal disc, is meroblastic.
The segmentation, as in the Sturgeon, is complete, but approaches closely the meroblastic type.
It is meroblastic, being confined to the germinal disc, through the full depth of which however the earlier furrows do not extend.
- embryol of or showing cleavage of only the non-yolky part of the zygote, as in birds' eggsCompare holoblastic
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
- Undergoing partial cleavage. Used of a fertilized egg.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.