{{Short description|Lowest part of the front of the skull behind the eye socket}} {{Infobox bone | Name = Spine of sphenoid bone | Latin = spina ossis sphenoidalis,<br> processus spinosus ossis sphenoidalis | Image = Gray145.png | Caption = Sphenoid bone. Upper surface. (Spina angularis labeled at bottom left.) | Image2 = Gray310.png | Caption2 = Articulation of the mandible. Medial aspect. (Spine of sphenoid labeled at center top.) }} The '''sphenoidal spine''' (Latin: "''spina angularis''") is a downwardly directed process at the apex of the great wings of the sphenoid bone that serves as the origin of the sphenomandibular ligament.<ref name=":0">{{Cite book |last=Gray |first=Henry |title=Gray's Anatomy |year=1918 |edition=20th |pages=150}}</ref>
==Additional images== <gallery> File:Spine of sphenoid bone.png|Base of skull. Inferior surface. Spine of sphenoid bone marked with black circle </gallery>
==References== {{Reflist}}
==External links== * {{SUNYAnatomyFigs|27|02|04}} - "Schematic view of key landmarks of the infratemporal fossa." * {{cite web|url=http://www.tk.de/rochelexikon/pics/s34257.000-1.html|title=Anatomy diagram: 34257.000-1|work= Roche Lexicon - illustrated navigator|publisher= Elsevier|archiveurl=https://archive.today/20130212031334/http://www.tk.de/rochelexikon/pics/s34257.000-1.html|archivedate=2013-02-12}}
{{Skull}} {{Portal bar|Anatomy}} {{Authority control}}
Category:Bones of the head and neck
{{musculoskeletal-stub}}