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Vagina

    The muscular canal extending from the cervix to the outside of the body. It is usually six to seven inches in length, and its walls are lined with mucus membrane. It includes two vaultlike structures, the anterior (front) vaginal fornix and the posterior (rear) vaginal fornix. The cervix protrudes slightly into the vagina, and it is through a tiny hole in the cervix (the os) that sperm make their way toward the internal reproductive organs. The vagina also includes numerous tiny glands that make vaginal secretions.
Related Terms: Penis,Vaginitis,Cervix,Vaginismus,Dyspareunia,Tanner Staging,Pubococcygeus muscle,Labia Minora,vulva,Toxic Shock Syndrome,