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
Learn More About stapedius
Cite this Entry
“Stapedius.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/stapedius. Accessed 2 Aug. 2021.
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