diencephalon
Syllabification: (di·en·ceph·a·lon)
Pronunciation: /ˌdīenˈsefəˌlän/
Definition of diencephalon
noun
Anatomy- the caudal (posterior) part of the forebrain, containing the epithalamus, thalamus, hypothalamus, and ventral thalamus and the third ventricle. Compare with telencephalon.
Derivatives
Origin:
late 19th century: from di-3 'across' + Greek enkephalos 'brain'