The nerve to the stapedius is a branch of the
facial nerve (CN VII) which innervates the
stapedius muscle
The stapedius is the smallest skeletal muscle in the human body. At just over one millimeter in length, its purpose is to stabilize the smallest bone in the body, the stapes or strirrup bone of the middle ear.
Structure
The stapedius emerges from ...
.
It arises from the CN VII opposite the
pyramidal eminence
The pyramidal eminence (pyramid) is a conical projection in the middle ear. It is situated immediately behind the fenestra vestibuli (oval window), and in front of the vertical portion of the facial canal; it is hollow, and contains the stapedi ...
and passes through a small canal in this eminence to reach the
stapedius muscle
The stapedius is the smallest skeletal muscle in the human body. At just over one millimeter in length, its purpose is to stabilize the smallest bone in the body, the stapes or strirrup bone of the middle ear.
Structure
The stapedius emerges from ...
.
References
External links
* ()
Facial nerve
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