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Fallopian Tube

The fallopian tube extends from the uterus to the ovary. This tube carries eggs and sperm and is where fertilization of the egg, or ovum takes place. The fallopian tubes lie in the pelvic portion of the abdominal cavity and each tube reaches from an ovary to become the upper part of the uterus. This funnel-shaped tube is about three inches in length. The larger end of the funnel is divided into feathery, finger-like projections that lie close to the ovary. These beating projections, along...

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    Full Fallopian Tube Description

    [Continued from above] . . . with muscle contractions, force the ovum down the funnel's small end, which opens into the uterus. After sexual intercourse, sperm swim up this funnel from the uterus. The lining of the tube and its secretions sustain both the egg and the sperm, encouraging fertilization and nourishing the egg until it reaches the uterus. If an egg splits in two after fertilization, identical or maternal twins are produced. If different sperm fertilizes separate eggs, the mother gives birth to un-identical or fraternal twins.