Stapedius | |
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Details | |
Origin | Walls of pyramidal eminence |
Insertion | Neck of stapes |
Artery | Stapedial branch of posterior auricular artery |
Nerve | Facial nerve (nerve to stapedius) |
Actions | Control the amplitude of sound waves to the inner ear |
Identifiers | |
Latin | musculus stapedius |
MeSH | D013198 |
TA98 | A15.3.02.062 |
TA2 | 2103 |
FMA | 49027 |
Anatomical terms of muscle |
The stapedius is the smallest skeletal muscle in the human body.[1] At just over one millimeter in length, its purpose is to stabilize the smallest bone in the body, the stapes or stirrup bone of the middle ear.
The stapedius is the smallest skeletal muscle in the body and is approx- imately 1 mm in length.