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单词
blastocyst
释义
WordReference Random House Unabridged Dictionary of American English © 2024
blas•to•cyst
(blas
′
tə sist),
USA pronunciation
n.
[
Embryol.
]
Developmental Biology
the blastula of the mammalian embryo, consisting of an inner cell mass, a cavity, and an outer layer, the trophoblast.
blasto
- + -
cyst
1885–90
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更新时间:2025/7/22 18:33:08