diencephalon

noun, plural di·en·ceph·a·lons, di·en·ceph·a·la [dahy-en-sef-uh-luh] /ˌdaɪ ɛnˈsɛf ə lə/. Anatomy.

1. the posterior section of the forebrain.

noun

1. the part of the brain that includes the basal ganglia, thalamus, hypothalamus, and associated areas

n.

1. The posterior part of the prosencephalon, composed of the epithalamus, the dorsal thalamus, the subthalamus, and the hypothalamus.betweenbrain interbrain