The morphogenetic movements of the PMCs are an autonomous cellular behavior.
2.
At metamorphosis, the larva forms a pupa, inside which the larval tissues are reabsorbed and the imaginal tissues undergo extensive morphogenetic movements to form adult structures.
3.
Morphogenetic movements not only change the shape and structure of the embryo, but by bringing cell sheets into new spatial relationships they also make possible new phases of signaling and response between them.
4.
The embryo undergoes well-characterized morphogenetic movements during gastrulation and early development, including germ-band extension, formation of several furrows, ventral invagination of the mesoderm, and posterior and anterior invagination of endoderm ( gut ), as well as extensive body segmentation until finally hatching from the surrounding cuticle into a first-instar larva.
मोबाइल