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单词 amnion
释义
Amnion
nnoun.animalthin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals)
Topic:mammalmammalian
Synset:amnios amniotic sac
Derivationally Related Form:amnicamnioticamnionic
Part Holonyms:amniote fetal membrane
Hypernyms:sac
Inherited Hypernyms:amnionsaccavitystructurebody partpartthingphysical entityentity
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更新时间:2024/9/21 12:26:36