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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