Key:
- Intermediate mass
- Thalamus
- Optic chiasm
- Infundibulum
- Pituitary gland
- Mammallary body
- Pons
- Medulla oblongata
- Arachnoid granulations
- Superior sagittal sinus
- Corpus callosum
- Fornix
- Choroid plexus
- Pineal gland
- Corpora quadrigemina
- Cerebral (Mesencephalic) aqueduct
- Cerebellum
- Fourth ventricle
- Spinal cord