pubovaginal muscle

[pyōō′bō-văjə-nəl]
n.
  1. The most medial muscular fibers of the elevator muscle of the anus, extending from the pubis into the lateral walls of the vagina.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.