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upper 1/3 of the uterine tube

Fertilization of the ovum commonly occurs in the


The process of cell division that occurs after fertilization is known as


The penetration of the endometrium by the blastocyst is referred to as


The mass of cells is formed after many cell division following fertilization is called a

amniotic cavity

Separation of the inner cell mass from the trophoblast forms the


Which of the following are identical cells that are produced by early cleavage?


The inner cell mass of the blastocyst will form the

a hollow ball of cells

A blastocyst is

yolk sac

A structure that forms blood cells in the early stages of development is the


A structure that forms during the third week of development as a tube extending from the early yolk sac into the connecting stalk of the embryo is the

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