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Definition of CEREBRAL HEMISPHERE. : either of the two hollow convoluted lateral halves of the cerebrum â see brain illustration.
Definition of CEREBRAL CORTEX. : the convoluted surface layer of gray matter of the cerebrum that functions chiefly in coordination of sensory and motor information â compare neocortex.ADVERTISEMENT.body mass index, Electra complex, misery index, Oedipus complex. noun.efinition of CEREBRAL CORTEX. : the convoluted surface layer of gray matter of the cerebrum that functions chiefly in coordination of sensory and motor information â compare neocortex. ADVERTISEMENT. body mass index, Electra complex, misery index, Oedipus complex. noun.