- the area in front of the anus extending to the fourchette of the vulva in the female and to the scrotum in the male.
- the diamond-shaped area corresponding to the outlet of the pelvis, containing the anus and vulva or the roots of the penis.
Origin of perineum
- the region of the body between the anus and the genital organs, including some of the underlying structures
- the nearly diamond-shaped surface of the human trunk between the thighs
Word Origin for perineum
Word Origin and History for perinea
"region of the body between the anus and the genital organs" (jocularly called a taint), early 15c., from Medieval Latin perinaeon, Late Latin perineum, from Greek perinaion, perinaios, from peri- "near" (see peri-) + inan "to carry off by evacuation," of unknown origin.
- The portion of the body in the pelvis occupied by urogenital passages and the rectum, bounded in front by the pubic arch, in the back by the coccyx, and laterally by part of the hipbone.
- The region between the scrotum and the anus in males, and between the posterior vulva junction and the anus in females.
- The region between the scrotum and the anus in males, and between the posterior vulva and the anus in females.