Skip to Content

spine of sphenoid bone


Definition: a posterior and downward projection from the greater wing of the sphenoid bone on either side, located posterolateral to the foramen spinosum, so named for its proximity to this spine; gives attachment to the sphenomandibular ligament.

Synonym(s): spina ossis sphenoidalisTA, alar spine, angular spine, processus spinosus, sphenoidal spine, spina angularis, spinous process of sphenoid

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.