Female perineum. 1866 illustration showing the muscles and other structures of the female perineum - the region of the body located between the vagina and anus. Structures seen here include: anus (round, lower centre), vagina (dark, oval centre), clitoris (small, round, white, upper centre), urethra (small, circular, upper centre), coccyx (round, whit, bottom centre), ischium (hip bone), and gluteus maximus muscle.