Topic:mammalmammalian
Hypernyms:fetal membrane
Inherited Hypernyms:allantoisfetal membranemembraneanimal tissuetissuebody partpartthingphysical entityentity
| 单词 | allantois |
| 释义 | Allantois nnoun.animalthe vascular fetal membrane that lies below the chorion and develops from the hindgut in many embryonic higher vertebrates (reptiles, birds and mammals) Topic:mammalmammalian Hypernyms:fetal membrane Inherited Hypernyms:allantoisfetal membranemembraneanimal tissuetissuebody partpartthingphysical entityentity |
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