| Bone: Dorsum sellae | |
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| Sphenoid bone. Upper surface. (Dorsum sellae is labeled in the white portion in the center.) | |
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| Base of the skull. Upper surface. (Dorsum sellae is not labeled, but sphenoid bone is in yellow, and Dorsum sellae would horizontally be at the exact center, and vertically at the level of the posterior clinoid process.) | |
| Gray's | subject #35 147 |
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 sellæ, 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
 Tentorium cerebelli from above. |
External links
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 As such, some of the information contained herein may be outdated.
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