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This exhibit depicts the effects of a left temporal bone fracture crossing the middle meningeal artery. Blood from the damaged artery accumulates and forms a large epidural hematoma, increasing intracranial pressure. As pressure builds within the skull, the brain compresses and shifts to the right. The left temporal lobe herniates beneath the tentorium cerebelli and displaces the left cerebellar hemisphere, causing the left cerebellar tonsil to herniate through the foramen magnum.