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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

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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