Perineum vs. Peritoneum
Difference Between Perineum and Peritoneum
(anatomy) The region between the vulva and anus in women and the scrotum and anus in men.
(anatomy) In mammals, the serous membrane lining the cavity of the abdomen and that is folded over the viscera.
the general region between the anus and the genital organs
(zoology) In animals, the membrane lining the coelom cavity.
a transparent membrane that lines the abdominal cavity in mammals and covers most of the viscera