stapedius

stapedius definition - medical

sta·pe·di·us (stā-pēˈdē-əs)

noun
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® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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