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adj. Embryology
Undergoing partial cleavage. Used of a fertilized egg.

mer′o·blas′ti·cal·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Biology) embryol of or showing cleavage of only the non-yolky part of the zygote, as in birds' eggs. Compare holoblastic
ˌmeroˈblastically adv
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌmɛr əˈblæs tɪk)

adj. Embryol.
undergoing partial cleavage, resulting in unequal blastomeres: characteristic of yolky eggs.
mer`o•blas′ti•cal•ly, adv.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
Segmentation was meroblastic. Second cleavage proceeded after 1-2 h, and then multicellular blastodic was formed.
Under neoplastic conditions we encountered, Renal cell carcinoma was the most common, comprising of 11.32% (12 cases) of all nephrectomies followed by Wilm's tumor--5 cases(4.72%), & 1 case each (0.94%) of clear cell sarcoma, congenital meroblastic nephroma and transitional cell carcinoma.