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单词 extraembryonic coelom
释义 extraembryonic coelom
[¦ek·strǝ´em·brē`än·ik `sē·lǝm]
EMBRYOLOGY
The cavity in the extraembryonic mesoderm; it is continuous with the embryonic coelom in the region of the umbilicus, and is obliterated by growth of the amnion.
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