stapedius muscle

sta·pe·di·us mus·cle

(stā-pē'dē-ŭs mŭs'ĕl) Origin, 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(s): musculus stapedius [TA] .

stapedius muscle

Middle ear muscle. Origin: posterior wall of middle ear. Insertion: neck of stapes. Nerve: facial (CN VII). Action: tilts stapes, dampens excessive vibrations. See also: muscle

单词	stapedius muscle
释义	stapedius muscle stapedius muscle [stə′pēd·ē·əs ‚məs·əl] (anatomy) The muscle which attaches to and controls the stapes in the inner ear. stapedius muscle sta·pe·di·us mus·cle (stā-pē'dē-ŭs mŭs'ĕl) Origin, 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(s): musculus stapedius [TA] . stapedius muscle Middle ear muscle. Origin: posterior wall of middle ear. Insertion: neck of stapes. Nerve: facial (CN VII). Action: tilts stapes, dampens excessive vibrations. See also: muscle ThesaurusSeemuscle
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