Placenta has an outer layer which is selectiv | vedclass

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(B) The placenta is formed by the interdigitation of the fetal chorionic villi and the maternal uterine tissue. The outer layer of the blastocyst,know

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Chorion

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(B) The placenta is formed by the interdigitation of the fetal chorionic villi and the maternal uterine tissue. The outer layer of the blastocyst,known as the $Trophoblast$,differentiates into the $Chorion$. The $Chorion$ forms the chorionic villi that project into the uterine tissue to form the placenta. This layer is selectively permeable,allowing the exchange of nutrients,gases,and waste products between the mother and the fetus. Additionally,the placenta acts as an endocrine tissue,secreting hormones such as $hCG$ (human Chorionic Gonadotropin),$hPL$ (human Placental Lactogen),estrogens,and progestogens,which are essential for the maintenance of pregnancy.

Placenta has an outer layer which is selectively permeable and hormone secreting which is known as

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