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单词 ectomere
释义

> as lemmas

ectomere
ectomere n.
Brit. /ˈɛktəmɪə/
,
U.S. /ˈɛktəˌmɪ(ə)r/
Embryology each of the cells produced by the segmentation of the ovum.
ΚΠ
1889 Cent. Dict. Ectomere.
1890 J. S. Billings National Med. Dict. I Ectomere, the larger of the two primitive cells produced by the segmentation of the mammalian ovum after impregnation.
1924 E. G. Conklin in E. V. Cowdry Gen. Cytol. 584 The subdivisions of these ectomeres are much more numerous in large eggs than in small ones.
extracted from ecto-comb. form
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as lemmas
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