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[ Three Cranial Fossa ]
I. Ant. Cranial Fossa
- Boundary
- Ant. - Frontal b.
- Post. - Lesser wing of Sphenoid bone
- Median - Cribriform plate of Ethmoid bone
- Floor - Orbital parts of the Frontal bone
II. Middle Cranial Fossa
- Boundary
- Ant. - Lesser wing of Sphenoid bone
- Post. - Petrous part of Temporal bone
- Med. - Lesser wing od Sphenoid bone
- Lat. - Greater wing od Sphenoid bone
III. Post. Cranial Fossa
- Boundary
- Ant. Wall - Body of Sphenoid bone, Basilar part of Occipital bone
- Anterolat. Wall - Petrous part of Temporal bone
- Side - Mastoid angle of Parietal bone
- Floor & Post. Wall - Occipital bone
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skull Base ( Whole Image )
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