holoblasticadj.
/hɒləʊˈblastɪk/ Biology.
Of an ovum: Wholly germinal; undergoing total segmentation (as in most mammals). Opposed to meroblastic.
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orthotropal1832
meroblastic1864
periblastic1876
holoblastic1879
orthotropous1880
telolecithal1880
progamous1885
teleplasmic1886
triovulate1891
1879 tr. E. Haeckel Evol. Man I. 215 Such animal eggs have long been called holoblastic..by Remak, because in them the cleavage into cells extends to the whole mass.
1884 E. Coues Key to N. Amer. Birds (ed. 2) 220 Supposing it already fertilized, the whole of its contents would develop into the body of the embryo. It would therefore be holoblastic.
Derivatives
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ˈholoblast n. a holoblastic ovum ( Cent. Dict.).
This entry has not yet been fully updated (first published 1899; most recently modified version published online June 2019).
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adj.1879