germ layer formation造句
造句与例句
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- During the early stages of development, the primitive streak is the structure that will establish bilateral symmetry, determine the site of gastrulation and initiate germ layer formation.
- To form the streak, reptiles, birds and mammals arrange mesenchymal cells along the prospective midline, establishing the first embryonic axis, as well as the place where cells will ingress and migrate during the process of gastrulation and germ layer formation.
- It's difficult to see germ layer formation in a sentence. 用germ layer formation造句挺难的
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