Osteology

Roentgenogram, sphenoid bone, inferosuperior view

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Image #42-1

Osteology Roentgenogram, sphenoid bone, inferosuperior view 1 . Parietal angle (articular surface for parietal bone) 2 . Greater wing 3 . Foramen rotundum 4 . Squamous margin 5 . Foramen ovale (incomplete medially) 6 . Foramen spinosum (incomplete medially) 7 . Angular spine 8 . Posterior wall of sella turcica 9 . Body 10 . Zygomatic margin 11 . Orbital surface 12 . Rostrum of sphenoid 13 . Sphenoidal sinus (smaller than usual) 14 . Optic foramen 15 . Lesser wing 16 . Anterior clinoid process 17 . Dorsum sellae & posterior clinoid process 18 . Pterygoid process