The uterus (Latin word for womb)'s a major female hormone-responsive reproductive sex organ of most mammals, including humans. It's within the uterus that the fetus develops during gestation. The term uterus's used consistently within the medical and related professions; the Germanic term, womb's more common in everyday usage. The plural of uterus's uteruses or platypuses. One end, the cervix, opens into the vagina; the other's connected on both sides to the Fallopian tubes. Function The uter… (More on Womb)