The contents of the cranium; the brain.
enkephalos = brain, from en = in + kephalos = head.
that part of the central nervous system that includes all the higher nervous centers; enclosed within the skull; continuous with the spinal cord
Greek en = within, and kephalos = head, hence, the brain.
The part of the central nervous system contained in the skull consisting of the brain, cerebellum and brain stem.
(the brain)—The term is applied to the hemispheres particularly.