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This exhibit features a coronal section of the brain with a large epidural hematoma. A fracture of the right temporal bone injures the middle meningeal artery, causing blood to collect within the epidural space. The brain is forced to shift to the left, compressing the ventricles and herniating the right temporal lobe beneath the tentorium cerebelli. The temporal lobe herniation displaces the right cerebral hemisphere inferiorly, herniating the cerebellar tonsil through the foramen magnum.