| Promontory of tympanic cavity | |
|---|---|
 View of the inner wall of the tympanum. (Promontory visible near center.) | |
| Details | |
| Identifiers | |
| Latin | promontorium tympani |
| TA98 | A15.3.02.011 |
| TA2 | 6899 |
| FMA | 77694 |
| Anatomical terminology[edit on Wikidata] | |
The promontory of the tympanic cavity, also known as the cochlear promontory is a rounded hollow prominence upon - and most prominent feature of - the medial wall of the tympanic cavity formed by the underlying first turn of the cochlea. The surface of the promontory is furrowed by fine grooves that accommodate to the strands of the tympanic plexus.
The oval window is situated superoposteriorly to the promontory, and the round window inferoposteriorly to it.
A minute spicule of bone frequently connects the promontory to the pyramidal eminence.
Additional images
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Coronal section of right temporal bone.
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The medial wall and part of the posterior and anterior walls of the right tympanic cavity, lateral view.
References
This article incorporates text in the public domain from page 1042 of the 20th edition of Gray's Anatomy (1918)
- ^ Sinnatamby, Chummy S. (2011). Last's Anatomy (12th ed.). p. 415. ISBN 978-0-7295-3752-0.
External links
- lesson3 at The Anatomy Lesson by Wesley Norman (Georgetown University)
| Anatomy of hearing and balance | |||||||||||||||
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| Outer ear | |||||||||||||||
| Middle ear |
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| Inner ear |
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