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blastula

n. 胞胚

胞胚

WordNet (r) 3.0 (2006) (WordNet)

blastula
n 1: early stage of an embryo produced by cleavage of an ovum; a
liquid-filled sphere whose wall is composed of a single
layer of cells; during this stage (about eight days after
fertilization) implantation in the wall of the uterus
occurs [synonym: {blastula}, {blastosphere}]

The Collaborative International Dictionary of English v.0.48 (gcide)

Blastula \Blas"tu*la\, n. [NL., dim. of Gr. blasto`s a sprout.]
(Biol.)
That stage in the development of the ovum in which the outer
cells of the morula become more defined and form the
blastoderm.
[1913 Webster]

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blastula	查看　blastula　在百度字典中的解释	百度英翻中〔查看〕
blastula	查看　blastula　在Google字典中的解释	Google英翻中〔查看〕
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