Pyramidal eminence
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Script error: No such module "Infobox".Template:Template otherTemplate:Main other The pyramidal eminence is a hollow conical projection upon the posterior wall of the tympanic cavity of the middle ear. The stapedius muscle arises in the hollow of the eminence and its tendon exits through its apex.[1]
The pyramidal eminence is situated inferior to the aditus to mastoid antrum,[1] immediately inferior to the oval window (fenestra vestibuli), and anterior to the vertical portion of the facial canal. The apex of the eminence is directed anteriorly toward the oval window.Script error: No such module "Unsubst".
The cavity in the pyramidal eminence is prolonged inferoposteriorly anterior to the facial canal, with which it communicates by a minute aperture which transmits the nerve to the stapedius from the facial nerve (CN VII).Script error: No such module "Unsubst".
The space lateral to the pyramidal eminence is the facial recess, which is accessed during surgery for cochlear implant. The space medial to the pyramidal eminence is the sinus tympani.
References
Public domain This article incorporates text in the public domain from Template:Wikidatathe 20th edition of Gray's Anatomy (1918) Template:Main other
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