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3. Radioanatomy of Temporal bone

Axial cut through :

• the petrous apex
• the styloid foramen
• the groove for tympanic nerve
• the horizontal portion of the petrous internal carotid artery
• the incudomallear joint
• the canal of greater superficial petrosal nerve
• the round window
• the modiolus of the cochlea
• the lateral semicircular canal
• the superior semicircular canal

Coronal cut through :

• the tensor tympani muscle
• the anterior epitympanic recess

Sagittal cut through :

• the mastoid segment of facial nerve

Other planes cut through :

• the superior semicircular canal – Pöschl Plane
• the stapes – Stapes Plane