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Questions and Answers
Which membrane facilitates nutrient and gas exchange between the maternal and fetal compartments?
Which membrane facilitates nutrient and gas exchange between the maternal and fetal compartments?
- Amnion
- Chorion (correct)
- Allantoic diverticulum
- Yolk sac
From which structure is the fetal component of the placenta derived?
From which structure is the fetal component of the placenta derived?
- Yolk sac
- Trophoblast (correct)
- Umbilical cord
- Chorionic plate
What is responsible for the erosion of maternal vessels to release blood into intervillous spaces in the placenta?
What is responsible for the erosion of maternal vessels to release blood into intervillous spaces in the placenta?
- Allantoic diverticulum
- Umbilical cord
- Amnion
- Cytotrophoblast cells (correct)
What structures participate in the formation of embryo but not in the formation of placenta?
What structures participate in the formation of embryo but not in the formation of placenta?
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Which component is derived from the uterine endometrium in the placenta?
Which component is derived from the uterine endometrium in the placenta?
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Study Notes
Placenta Development and Function
- The chorion facilitates nutrient and gas exchange between the maternal and fetal compartments.
- The fetal component of the placenta is derived from the trophoblast.
- The trophoblast is responsible for the erosion of maternal vessels to release blood into intervillous spaces in the placenta.
- The morula and blastula participate in the formation of the embryo but not in the formation of the placenta.
- The decidua is derived from the uterine endometrium in the placenta.
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