di·en·ceph·a·lon (dī'ěn-sěf'ə-lŏn', -lən) n. The posterior part of the forebrain that connects the midbrain with the cerebral hemispheres, encloses the third ventricle, and contains the thalamus and hypothalamus. Also called betweenbrain, interbrain, thalamencephalon.
Main Entry: di·en·ceph·a·lon Pronunciation: "dI-&n-'sef-&-"län, "dI-(")en-, -l&n Function: noun : the posteriorsubdivision of the forebrain called also betweenbrain,interbrain —di·en·ce·phal·ic/-s&-'fal-ik/adjective
diencephalon di·en·ceph·a·lon (dī'ěn-sěf'ə-lŏn', -lən) n. The posterior part of the prosencephalon, composed of the epithalamus, the dorsal thalamus, the subthalamus, and the hypothalamus. Also called betweenbrain, interbrain.