Extra-embryonic Membrane & Placenta Quiz

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Questions and Answers

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?

  • 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?

  • Allantoic diverticulum
  • Umbilical cord
  • Amnion
  • Cytotrophoblast cells (correct)

What structures participate in the formation of embryo but not in the formation of placenta?

<p>Umbilical cord (D)</p> Signup and view all the answers

Which component is derived from the uterine endometrium in the placenta?

<p>Chorionic plate (C)</p> Signup and view all the answers

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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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