Telencephalon
Cerebral hemisphere
cerebral cortex (neocortex)
cingulate gyrus
cerebral white matter
     ventricles
lateral ventricle
     rhinencephalon
piriform lobe
hippocampus

     Diencephalon
medial geniculate nucleus
brachium of rostral colliculus

     Mesencephalon
rostral colliculus
brachium of caudal colliculus
mesencephalic aqueduct
periaqueductal gray matter
oculomotor nucleus
red nucleus
reticular formation
substantia nigra
crus cerebri

Transection: Oculomotor Nucleus and Red Nucleus