Body Location or Region
perineum Audio
per·i·ne·um [ per-uh-nee-uhm ]
Subclass of:
Body Regions
Definitions related to anogenital region:
  • (perineum) Subdivision of trunk proper, which is demarcated from the pelvis by the inferior surface of the pelvic diaphragm and from the lower limbs by the perineofemoral lines; together with the thorax, and abdomen, it constitutes the trunk proper. Examples: There is only one perineum.
    Foundational Model of Anatomy
    University of Washington, 2017
  • (perineum) Subdivision of trunk, which is demarcated from the pelvis by the inferior surface of the pelvic diaphragm and from the lower limbs by the perineofemoral lines; together with the thorax, abdomen, and pelvis, it constitutes the trunk. Examples: There is only one perineum.
    Digital Anatomist
    University of Washington, 2003
  • (perineum) The area located between the anus and vulva in females, and anus and scrotum in males.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
  • (perineum) The area of skin between the vagina and anus in women, and between the scrotum and anus in men.
    Harvard Dictionary of Health Terms
    Harvard Medical Publishing, 2011
  • (perineum) The body region lying between the genital area and the ANUS on the surface of the trunk, and to the shallow compartment lying deep to this area that is inferior to the PELVIC DIAPHRAGM. The surface area is between the VULVA and the anus in the female, and between the SCROTUM and the anus in the male.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
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