[ stā-pē′dē-əs ]
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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.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
How to use stapedius in a sentence
The head of the stapes will now be seen, with the tendon of the stapedius muscle running horizontally backwards.
Gowers considers that a spontaneous contraction of the stapedius muscle of the ear during sleep causes a sensation of falling.