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The dorsum sellae is part of the sphenoid bone in the skull. Together with the basilar part of the occipital bone it forms the clivus.
In the sphenoid bone, the anterior boundary of the sella turcica is completed by two small eminences, one on either side, called the middle clinoid processes, while the posterior boundary is formed by a square-shaped plate of bone, the dorsum sellae, ending at its superior angles in two tubercles, the posterior clinoid processes, the size and form of which vary considerably in different individuals.
Additional images
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Tentorium cerebelli from above. -
Dorsum sellae
References
This article incorporates text in the public domain from page 147 of the 20th edition of Gray's Anatomy (1918)
External links
- "Anatomy diagram: 34257.000-2". Roche Lexicon - illustrated navigator. Elsevier. Archived from the original on 2013-06-22.
- Anatomy photo:22:os-0912 at the SUNY Downstate Medical Center
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