This outer extraembryonic membrane forms finger-like projections called villi and helps form the placenta.
A) amnion
B) chorion
C) umbilicus
D) trophoblast

Name: This outer extraembryonic membrane forms finger-like projections called villi and helps form the placenta. A) amnion B) chorion C) umbilicus D) trophoblast
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Question

Quizplus · Accepted Answer

The chorion is an extraembryonic membrane that forms villi and the highly vascular placenta (the communication structure for the mother and fetus).

This Outer Extraembryonic Membrane Forms Finger-Like Projections Called Villi and Helps