最終更新日：2024/07/29
(anatomy) A sac, having a number of functions, that develops in the alimentary canal of the embryos of mammals, birds and reptiles.
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allantois
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(anatomy) A sac, having a number of functions, that develops in the alimentary canal of the embryos of mammals, birds and reptiles.
allantois
DiQt（ディクト）
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