Diencephalon
Origin
From New Latin, from Ancient Greek διά (dia, "through") + á¼Î³ÎºÎφαλος (enkephalos, "brain").
Full definition of diencephalon
Noun
- (neuroanatomy) The region of the human brain, specifically the human forebrain, that includes the thalamus, the hypothalamus, the epithalamus, the prethalamus or subthalamus, and the pretectum.