basal ganglia are shown in bold): Primary division of the neural tube Secondary subdivision Final segments in a human adult Prosencephalon Telencephalon Diencephalon The human cortex (both hemispheres), Caudate , Putamen , Globus pallidus (pallidum) Thalamus, hypothalamus, subthalamus, epithalamus, subthalamic nuclei Mesencephalon Mesencephalon Mesencephalon (Midbrain), Substantia nigra pars compacta (SNc) ,