superficial transverse muscle of perineum


An inconstant muscle with origin from the ramus of the ischium, with insertion into the central tendon of the perineum, with nerve supply from the pudendal nerve, and whose action draws back and fixes the central tendon of the perineum.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.