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单词 blastodisc
释义

blastodisc

noun

blas·​to·​disc ˈbla-stə-ˌdisk How to pronounce blastodisc (audio)
: the embryo-forming portion of an egg with discoidal cleavage usually appearing as a small disc on the upper surface of the yolk mass see egg illustration

Word History

Etymology

blasto- + disc

First Known Use

1878, in the meaning defined above

Medical Definition

blastodisc

noun

blas·​to·​disc
variants or blastodisk
ˈblas-tə-ˌdisk How to pronounce blastodisc (audio)
: the embryo-forming portion of an egg with discoidal cleavage usually appearing as a small disc on the upper surface of the yolk mass
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更新时间:2025/1/9 8:20:56