See Also: ala major ossis sphenoidalis(medicine)
corpus ossis sphenoidalis(medicine)
spina ossis sphenoidalis(medicine)
ala minor ossis sphenoidalis(medicine)
angulus sphenoidalis ossis parietalis(medicine)
margo frontalis ossis sphenoidalis(medicine)
processus vaginalis ossis sphenoidalis(medicine)
margo sphenoidalis ossis temporalis(medicine)
margo squamosus ossis sphenoidalis(medicine)
margo parietalis ossis sphenoidalis(medicine)

ala major ossis sphenoidalis (medicine)


ala major ossis sphenoidalis -->
greater wing of sphenoid bone
Strong squamous processes extending in a broad superolateral curve from the body of the sphenoid bone. The greater wing presents these suraces (facies): 1) cerebral surface: forms anterior third of the floor of the lateral portions of the middle cranial fossa; 2) temporal surface: forms the deepest portion of the temporal fossa; 3) infratemporal surface, forms the "roof" of the infratemporal fossa; 4) orbital surface: forms posterolateral wall of orbit. The greater wing forms the inferior border of the supraorbital fissure, and is perforated at its root by foramina rotundum ovale, and spinosum and the pterygoid canal.

Synonym: ala major ossis sphenoidalis, ala temporalis.