The placenta is formed from a. the embryo's mesenchymal...

The placenta is formed from _________________
a. the embryo's mesenchymal cells
b. the mother's endometrium only
c. the mother's endometrium and the embryo's chorionic membrane
d. the mother's endometrium and the embryo's umbilical cord

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Key Concepts

Embryonic Chorionic Membrane

The embryonic chorionic membrane, or chorion, is a key component of the fetal contribution to the placenta. This membrane interacts with the maternal endometrium to facilitate the formation of the placenta, enabling essential physiological exchanges between the mother and the embryo during pregnancy.

Maternal Endometrium

The maternal endometrium is the inner lining of the uterus, which undergoes significant changes during pregnancy to support the developing embryo. It contributes to the formation of the placenta by providing a rich supply of blood vessels and structural support necessary for the establishment of a functional maternal-fetal interface.

Placental Development

Placental development is the process by which the placenta forms, creating an essential interface between the mother and the developing embryo. This process involves the integration of tissues from both the maternal side and the embryonic side, ensuring proper nutrient exchange, waste removal, and gas exchange throughout pregnancy.

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