Medical Dictionary

perineum

noun per·i·ne·um
plural -nea also per·i·naea \-ˈnē-ə\

Medical Definition of PERINEUM

:  an area of tissue that marks externally the approximate boundary of the pelvic outlet and gives passage to the urogenital ducts and rectum; also :  the area between the anus and the posterior part of the external genitalia especially in the female

Variants of PERINEUM

per·i·ne·um also per·i·nae·um \ˌper-ə-ˈnē-əm\

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