spine of sphenoid bone

spine of sphenoid bone

[TA]

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 sphenoidalis [TA], alar spine, angular spine, processus spinosus, sphenoidal spine, spina angularis, spinous process of sphenoid

spine of sphe·noid bone

(spīn sfēnoyd bōn) [TA]

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): alar spine.