A stage in the development of embryos of most animals consisting of a three-layered sac of ectoderm, mesoderm and endoderm.
gastrula 30秒了解
- (noun) A stage in the development of embryos of most animals consisting of a three-layered sac of ectoderm, mesoderm and endoderm.
Meanings
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noun A stage in the development of embryos of most animals consisting of a three-layered sac of ectoderm, mesoderm and endoderm.
Summary
A stage in the development of embryos of most animals consisting of a three-layered sac of ectoderm, mesoderm and endoderm.
- (noun) 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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