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NEET2019ZoologyHuman ReproductionActual

Structure analogous to the placenta in mammals.

Options

  1. AChorion
  2. BAmnion
  3. CYolk sac
  4. DAllantois

Correct answer

A. Chorion

Step-by-step solution

Chorion act as structure analogous to placenta in mammals. It completely encloses the developing embryo and extra embryonic tissues like placenta, it is also highly specialised to facilitate the transfer of nutrients, gases and waste between the embryo and mothers body. This is accomplised by chorionic villi that emerge from the chorion and invade the endometrium.

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