Which extraembryonic membrane in humans prevents desiccation of the embryo inside the utrerus?

Which extraembryonic membrane in humans prevents desiccation of the embryo inside the utrerus?
  1. Amnion
  2. Chorion
  3. Allantois
  4. Yolk sac

Solution

Amnion encloses amniotic fluid which prevents dessication of embryo, that's why present in all true land vertebrates.

Asked in: NEET 2008 (Mains)

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