Ectoderm specification
In Xenopus laevis, the specification of the three germ layers (endoderm, mesoderm and ectoderm) occurs at the blastula stage. Great efforts have been made to determine the factors that specify the endoderm and mesoderm.
In Xenopus laevis, the specification of the three germ layers (endoderm, mesoderm and ectoderm) occurs at the blastula stage. Great efforts have been made to determine the factors that specify the endoderm and mesoderm.
In Xenopus laevis, the specification of the three germ layers (endoderm, mesoderm and ectoderm) occurs at the blastula stage. Great efforts have been made to determine the factors that specify the endoderm and mesoderm.
Source: Wikipedia "Ectoderm specification" · CC BY-SA 4.0
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