[hol-uh-blas-tik, hoh-luh-]

adjective Embryology.

(of certain eggs) undergoing total cleavage, resulting in equal blastomeres.

Compare meroblastic.

Origin of holoblastic

1870–75; holoblast (holo- + -blast) + -ic
Related formsho·lo·blas·ti·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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Historical Examples of holoblastic

British Dictionary definitions for holoblastic



embryol of or showing cleavage of the entire zygote into blastomeres, as in eggs with little yolkCompare meroblastic
Derived Formsholoblastically, adverb
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

holoblastic in Medicine


[hŏl′ə-blăstĭk, hō′lə-]


Exhibiting cleavage in which the entire egg separates into individual blastomeres.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.