Medical Definition of Musculus stapedius
1.
Origin, arises from the wall of the middle ear (internal walls of pyramidal eminence in tympanic cavity); insertion, neck of the stapes; action, dampens vibration of stapes by drawing head of stapes backward as a result of a protective reflex stimulated by loud noise; nerve supply, facial.
Synonym: musculus stapedius, stapedius.
(05 Mar 2000)
Lexicographical Neighbors of Musculus Stapedius
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