RT Book, Section A1 Waxman, Stephen G. SR Print(0) ID 1186189460 T1 Diencephalon: Thalamus and Hypothalamus T2 Clinical Neuroanatomy, 29e YR 2020 FD 2020 PB McGraw-Hill Education PP New York, NY SN 9781260452358 LK accessmedicine.mhmedical.com/content.aspx?aid=1186189460 RD 2024/11/07 AB The diencephalon includes the thalamus and its geniculate bodies, the hypothalamus, the subthalamus, and the epithalamus (Fig 9–1). The third ventricle lies between the halves of the diencephalon.