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Get Answers to all your Questions
Explain the formation of placenta after implantation in a human female.
Answers (1)
Around 12 weeks of pregnancy, the chorionic villi and uterine tissue become interdigitated with each other and together they form a structural and functional unit between developing embryo (foetus) and the maternal part become the placenta. A tough cord called umbilical cord is also formed during this time which connects the embryo to the uterus through the placenta.
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