Biology, asked by dhruvtrivedi200260, 3 months ago

definitive placenta is formed at ?

Answers

Answered by ravalikachinni
1

Answer:

extensive remodeling occurs towards the end of first trimester when the definitive placenta is formed. villi initially develop over the entire gestational sac, but starting from around from 8 weeks of gestation the villi over the superficial pole begin to regress , forming the smooth membranes or chorion laeve.

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#Ravalika Rajula

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