Last Updated
：2025/11/21
gastrula
Noun
Japanese Meaning
胚発生における段階のひとつ。多くの動物の胚が、外胚葉、中胚葉、内胚葉の3層からなる嚢状構造を形成する状態を指す。 / 動物の発生過程で細胞が三層に分化し、各層が将来的に異なる器官や組織に発展する重要な段階。
（ plural ）
（ plural ）
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(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
Under the microscope, the gastrula began to fold as its three germ layers — ectoderm, mesoderm, and endoderm — took shape.
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Under the microscope, the gastrula began to fold as its three germ layers — ectoderm, mesoderm, and endoderm — took shape.
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