SINCE 1828
stapedius
noun
sta·pe·di·us
| \ stə-ˈpē-dē-əs
\
\
plural stapedii\ -dē-ˌī
\
\
Medical Definition of stapedius
: a small muscle of the middle ear that arises from the wall of the tympanum, is inserted into the neck of the stapes by a tendon that sometimes contains a slender spine of bone, and serves to check and dampen vibration of the stapes
— called also stapedius muscle
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