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10 terms

Chapter 20: Pregnancy and Development

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