The extra-embryonic membrane that forms the fetal portion of the placenta is the

A) yolk sac.
B) amnion.
C) allantois.
D) chorion.


Answer: D

Anatomy & Physiology

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Is size 3-0 suture material thicker or thinner than size 3 suture material?

What will be an ideal response?

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What will be an ideal response?

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