stapedius muscle

Medical Dictionary

stapedius muscle sta·pe·di·us muscle (stā-pē'dē-əs)
n.
A muscle with origin from the internal walls of the pyramidal eminence in the tympanic cavity of the ear, with insertion into the neck of the stapes, with nerve supply from the facial nerve, and whose action draws the head of the stapes backward.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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