hemidecortication

hemi·de·cor·ti·ca·tion -(.)dē-.kȯrt-ə-'kā-shən n removal of the cortex from one lateral half of the cerebrum

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hemi·de·cor·ti·ca·tion (hem″e-de-kor″tĭ-kaґshən) removal of one half of the cerebral cortex.