释义 |
per·i·ne·um noun also per·i·nae·um \ˌperəˈnēəm\ (plural peri·nea \-ēə\) Etymology: New Latin, from Late Latin perinaion, perineon, from Greek perinaion, perineos, from peri- + -inaion, -ineos (from inan, inein to empty out, defecate) — more at ire : an area of tissue marking externally the approximate boundary of the outlet of the pelvis and as usually demarked giving passage to the urinogenital ducts and the rectum; sometimes : the area between the anus and the posterior part of the external genitalia especially in the female |