Pyramidal eminence
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| Pyramidal eminence | |
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| The medial wall and part of the posterior and anterior walls of the right tympanic cavity, lateral view. (Pyramidal eminence labeled at left, second from bottom.) | |
| Latin | eminentia pyramidalis |
| Gray's | subject #230 1042 |
| Dorlands/Elsevier | e_06/12328455 |
The pyramidal eminence (pyramid) is situated immediately behind the fenestra vestibuli, and in front of the vertical portion of the facial canal; it is hollow, and contains the Stapedius muscle; its summit projects forward toward the fenestra vestibuli, and is pierced by a small aperture which transmits the tendon of the muscle.
The cavity in the pyramidal eminence is prolonged downward and backward in front of the facial canal, and communicates with it by a minute aperture which transmits a twig from the facial nerve to the Stapedius muscle.
This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.
