Name two properties of each cell type that distinguish one from the other. The gut is formed during the process of gastrulation. The amnion begins to form before gastrulation. The yolk sac membrane functions to provide nutrients to the developing embryo. Embryonic endoderm is formed by the process of gastrulation.
Gastrulation involves an epithelial to mesenchymal transformations.
The blastocoele becomes the embryonic coelom. Name one derivative of the pharyngeal pouches. Name a derivative of the pharynx found in amphibia but not in birds or mammals. Longer questions 12. When transition zones between the neural plate and the epidermis are cultured, they form neural folds.