عملي

Cranial base.

Frontal bone
Ethmoidal bone.
Optic canal
Anterior clinoid process.
Groove for middle meningeal artery.
Posterior clinoid process.
Groove for inferior petrosal sinus.
Groove for superior petrosal sinus
Groove for sigmoid sinus.
Groove for transvers sinus.
Parietal bone.
Groove for superior sagittal sinus.
Orbital part of frontal bone.
Crista galli.
Cribriform plate of ethmoidal bone.
Lesser wing of sphenoid bone.
Body of sphenoid bone.
Greater wing of sphenoid bone.
Dorsum sellae of sphenoid bone.
Squamous part of temporal bone.
Petrus part of temporal bone.
Basilar part of occipital bone.
Lateral part of occipital bone.
Squamous part of occipital bone.
Internal occipital protuberance.