Uterus

uterus /uter·us/ (u´ter-us) pl. u´teri   [L.] the hollow muscular organ in female mammals in which the blastocyst normally becomes embedded and in which the developing embryo and fetus is nourished. Its cavity opens into the vagina below and into a uterine tube on either side.

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bicornuate uterus  one with two horns, or cornua.

uterus didel´phys  the existence of two distinct uteri in the same individual.

gravid uterus  one containing a developing fetus.

septate uterus  a uterus whose cavity is divided into two parts by a septum.

unicornuate uterus  one with a single horn, or cornu.

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u·ter·us (ytr-s)

n. pl. u·ter·us·es or u·ter·i (yt-r)

A hollow muscular organ consisting of a body, fundus, isthmus, and cervix located in the pelvic cavity of female mammals, in which the fertilized egg implants and develops into the fetus. Also called metra, womb.

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Uterus

A muscular, hollow organ of the female reproductive tract. The uterus contains and nourishes the embryo and fetus from the time the fertilized egg is implanted until birth.

Mentioned in: Antihemorrhoid Drugs, Choriocarcinoma, Dysmenorrhea, Ehlers-Danlos Syndrome, Endometrial Biopsy, Hormone Replacement Therapy, Menopause, Oral Contraceptives, Placental Abruption, Preeclampsia and Eclampsia

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uterus

the hollow muscular organ in female mammals in which the fertilized ovum normally becomes embedded and in which the developing embryo and fetus is nourished. It is composed of two horns, a body and a cervix; the cervix opens caudally into the vagina. Two uterine tubes enter the uterus at the upper end, one on each side. The walls of the uterus are composed of muscle; its lining is mucous membrane. The muscular substance of the uterus is called the myometrium; the inner lining is called endometrium.

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uterus didelphys, duplex uterus

complete duplication of the cervix and uterus.

uterus masculinus

see müllerian duct.

simple uterus

a uterus with a single large body, two small horns, and a single cervix as found in primates.

uterus unicornis

one horn, except usually for its apex, is completely missing because of a developmental defect.