Spine of sphenoid bone
The great wings, or alae-sphenoids, are two strong processes of bone, which arise from the sides of the body, and are curved upward, lateralward, and backward; the posterior part of each projects as a triangular process which fits into the angle between the squama and the petrous portion of the temporal bone and presents at its apex a downwardly directed process, the spina angularis (sphenoidal spine). It serves as the origin for the sphenomandibular ligament.
| Spine of sphenoid bone | |
|---|---|
 Sphenoid bone. Upper surface. (Spina angularis labeled at bottom left.) | |
 Articulation of the mandible. Medial aspect. (Spine of sphenoid labeled at center top.) | |
| Details | |
| Identifiers | |
| Latin | Spina ossis sphenoidalis |
| TA | A02.1.05.040 |
| FMA | 54777 |
| Anatomical terms of bone | |
Additional images
Base of skull. Inferior surface. Spine of sphenoid bone marked with black circle
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References
This article incorporates text in the public domain from page 150 of the 20th edition of Gray's Anatomy (1918)
External links
- Anatomy figure: 27:02-04 at Human Anatomy Online, SUNY Downstate Medical Center - "Schematic view of key landmarks of the infratemporal fossa."
- "Anatomy diagram: 34257.000-1". Roche Lexicon - illustrated navigator. Elsevier. Archived from the original on 2013-02-12.
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