The maternal portion of the placenta arises from the

A. ectoderm.
B. myometrium.
C. amnion.
D. germinal disc.
E. functional layer of the uterus.


Answer: E

Anatomy & Physiology

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The external, ulnar collateral, and flexor retinaculum manus are all ligaments associated with the shoulder.

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The membrane lining the interior of the thoracic cavity is called the:

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