Which of the following structures is NOT one of the extraembryonic membranes associated with the human embryo?
A)chorion
B)amnion
C)placenta
D)yolk sac
E)allantois

Question

Quizplus · Accepted Answer

The placenta is not an extraembryonic membrane; it is an organ that forms from both fetal and maternal tissues to facilitate nutrient and gas exchange between the mother and the developing fetus. The extraembryonic membranes include the chorion, amnion, yolk sac, and allantois.

Which of the Following Structures Is NOT One of the Extraembryonic