In: Biology
Gastrulation is a dynamic process that involves critical change in the embryo such as differentiation of cells,establishment of three primary germ layers and transformation of single walled blastula into double walled grastula.
Following structure are visible in window cutting:-
1.Forrmation of endoderm.
2.Formation of embryonic disc and mesoderm
3.Formation of ectoderm
DDiagramme showing formation of epiblast,hypoblast ,amniotic cavity and yolk cells.