External Structures A. Visible Organs of the Vulva Mons pubis—covered with pubic hair—located over pubic bones, serves a protective function Labia major and labia minora—two pairs of tissue surrounding the outer part of the vulva. Vestibule—surrounded by the labia it contains the vaginal opening and urethra. Vaginal opening Clitoris—erectile tissue analagous to the penis Urethral [...]