noun. The part of the brain that lies below the thalamus, forming the major portion of the ventral region of the diencephalon and functioning to regulate bodily temperature, certain metabolic processes, and other autonomic activities.

noun. A region of the forebrain located below the thalamus, forming the basal portion of the diencephalon, and functioning to regulate body temperature, some metabolic processes and governing the autonomic nervous system.

noun. a basal part of the diencephalon governing autonomic nervous system

"To explain the gradual development of this inhibition of activity as the result of destruction in the hypothalamus is misleading."

hypothalamic  

neural structure  

brainstem  cerebellum  cerebrum  cingulate  cortex  

hypothalami