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perineum

Pronunciation: per'i-ne'um, -ne'a

Definition:

  1. Surface area between the thighs extending from the coccyx to the pubis that includes the anus posteriorly and the external genitalia anteriorly.
  2. The compartment inferior to the pelvic diaphragm bounded peripherally by the osseofibrous structures comprising the pelvic outlet the surface of which is sense 1.
  3. External surface of the central tendon of the perineum, lying between the vulva and the anus in the female and the scrotum and the anus in the male.

[L. fr. G. perineon, perinaion]

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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