The placenta in mammals is derived from which | vedclass

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(A) In mammals,the placenta is a composite structure formed by the interaction of fetal and maternal tissues. The fetal component of the placenta is p

Vedclass · Accepted Answer

Allantois and chorion

Vedclass · Answer

(A) In mammals,the placenta is a composite structure formed by the interaction of fetal and maternal tissues. The fetal component of the placenta is primarily derived from the chorion (the outer membrane surrounding the embryo) and the allantois (a vascularized extra-embryonic membrane). This combined structure is known as the chorioallantoic placenta,which facilitates the exchange of nutrients,gases,and waste products between the mother and the fetus. Therefore,the correct answer is $A$.

The placenta in mammals is derived from which of the following?

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