单词 | blastula |
释义 | blas·tu·la ![]() n. pl. blas·tu·las or blas·tu·lae (-lē′) An early embryonic form produced by cleavage of a fertilized ovum and consisting of a spherical layer of cells surrounding a fluid-filled cavity. Also called blastosphere. [New Latin : from Greek blastos, bud + Latin -ula, feminine diminutive suff.] blastu·lar adj. blas′tu·lation (-lāshən) n. |
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