a muscle in the middle ear that controls movements of the stapes.
STAPEDIUS MUSCLE: "The strapedius muscle is part of the acoustic reflex."
Cite this page: N., Sam M.S., "STAPEDIUS MUSCLE," in PsychologyDictionary.org, April 13, 2013, https://psychologydictionary.org/stapedius-muscle/ (accessed June 25, 2022).