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单词 holoblastic
释义 holoblastic, a. Biol.|hɒləʊˈblæstɪk|
[f. holo- + Gr. βλαστός germ, -blast + -ic.]
Of an ovum: Wholly germinal; undergoing total segmentation (as in most mammals). Opp. to meroblastic.
1872Coues Key N. Amer. Birds (1884) 220 Supposing it already fertilized, the whole of its contents would develop into the body of the embryo. It would therefore be holoblastic.1879tr. Haeckel's 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.
So ˈholoblast, a holoblastic ovum (Cent. Dict.).
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