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With extra - embryonic membrane in humans prevents desiccation of the embryo inside the uterus?
Option: 1
Chorion
Option: 2
Amnion
Option: 3
Allantois
Option: 4
Yolk Sac
Answers (1)
As we aleady discussed in Extraembryonic Layers -
- These membranes are formed outside the embryo from the trophoblast and embryonic layers only in amniotes (reptiles, birds and mammals) and perform specific functions.
- There are four extraembryonic membranes:
- Amnion
- Yolk sac
- Allantois
- Chorion
Amnion is an extra embryonic layer of an embryo which helps in protection from any kind of mechanical shock to the baby during pregnancy.It also prevents dessication of the developing foetus
Hence, the correct option is (b).
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