最終更新日：2024/07/29
(embryology) A stage in the development of embryos of most animals consisting of a three-layered sac of ectoderm, mesoderm and endoderm.
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gastrula
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元となった辞書の項目
(embryology) A stage in the development of embryos of most animals consisting of a three-layered sac of ectoderm, mesoderm and endoderm.
gastrula
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