list the structures through which an egg cell travels, before and after it is fertilized, as it passes through the female reproductive system.

Egg Cells from the Ovaries Move Through the Uterine Tubes

A constricted section called the isthmus connects with the uterus. Finally, an intermediate, dilated portion, the ampulla, curves over the ovary. Egg fertilization usually occurs in the ampulla. The eggs then travel through the isthmus into the uterus.

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