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  4. The amnion of mammalian embryo is derived from

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Q. The amnion of mammalian embryo is derived from

NEETNEET 2018Human Reproduction

Solution:

The extraembryonic or foetal membranes are amnion, chorion, allantois and Yolk sac.
Amnion is formed from mesoderm on outer side and ectoderm on inner side.
Chorion is formed from trophoectoderm and mesoderm whereas allantois and Yolk sac membrane have mesoderm on outerside and endoderm in inner side.