Identify the human developmental stage shown | vedclass

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(C) : After fertilization,the zygote undergoes rapid mitotic divisions,called cleavage,which is characterized by the absence of growth of daughter cel

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Blastocyst $	o$ Uterine wall

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(C) : After fertilization,the zygote undergoes rapid mitotic divisions,called cleavage,which is characterized by the absence of growth of daughter cells. This leads to the conversion of a single-celled zygote into a multicellular structure called a blastocyst. Implantation or embedding of the zygote into the endometrium of the uterus occurs in the blastocyst stage. The blastocyst comes in contact with the endometrium in the region of the embryonal knob or embryonic disc and adheres to it. The surface cells of the trophoblast secrete lytic enzymes which cause corrosion of the endometrial lining. They also give rise to finger-like outgrowths called chorionic villi. Chorionic villi and uterine tissue become interdigitated. Villi not only help in fixation but also in the absorption of nourishment.

Identify the human developmental stage shown below as well as the related right place of its occurrence in a normal pregnant woman,and select the right option for the two,together.

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