alar spine


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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.

sphe·noi·dal spine

(sfē-noy'dăl spīn)
A posterior and downward projection from the greater wing of the sphenoid bone on either side, located posterolateral to the foramen spinosum, which is so named for its proximity to the sphenoidal spine; gives attachment to the sphenomandibular ligament.
Synonym(s): alar spine, angular spine, spinous process (2) .

alar spine

The spinous process of the sphenoid bone.
See also: spine

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.