The epiblast develops a primitive streak during days 14-15, the initial cells that ingress through the primitive streak become this germ layer.
A) endoderm
B) ectoderm
C) mesoderm-somites
D) mesoderm-lateral plate
E) intermediate mesoderm

Question

Quizplus · Accepted Answer

The initial cells that ingress through the primitive streak during the development of the epiblast form the endoderm, which is the innermost layer of the three primary germ layers in the embryo.

The Epiblast Develops a Primitive Streak During Days 14-15, the Initial