Anatomy diagram

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·
4mo
Axial Skeleton (Skull)
Sphenoid Bone - bat-like, butterfly-like, keystone bone in the middle of the cranium. See those holes with white showing through? This is where the optical nerve passes through.
sphenoid anterior view (wings, spine, pterygoid)
Sphenoid bone - note the sella turcica ("Turks saddle"), where hypophysis (pituitary) is located