The sphenoid bone has a butterfly-like structure, with four major components—body, lesser wings, greater wings, and pterygoid processes. Body Located in a central portion that runs along the ...

The levator palpebrae superioris originates from the lesser wing of sphenoid just above and slightly ... The periorbita is firmly attached to the bone at the orbital margin, the suture lines ...

Fibrous dysplasia of bone frequently involves the anterior base of the cranium and results in encasement of the optic-nerve canals. It has been assumed that such encasement leads to constriction ...