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Laboratory 30. Temporal Bone and Ear

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Temporal bone
      superior view, intact cranial fossa
      lateral view, isolated temporal bone
Superior surface
      facial hiatus and groove for greater petrosal nerve
      groove for lesser petrosal nerve
      groove for superior petrosal sinus
Posterior surface
     internal auditory meatus and canal
Lateral surface
     external auditory meatus and canal
     petrotympanic fissure
Inferior surface
     stylomastoid foramen