Inferior view of diencephalon
        
        | Term name | Layer | |
|---|---|---|
| 1 | Cerebral peduncle | Layer 1 | 
| 2 | Interpeduncular fossa | Layer 1 | 
| 3 | Mammillary body | Layer 1 | 
| 4 | Tuber cinereum | Layer 1 | 
| 5 | Infundibulum | Layer 1 | 
| 6 | Optic nerve | Layer 1 | 
| 7 | Lateral geniculate body | Layer 1 | 
| 8 | Medial geniculate body | Layer 1 | 
| 9 | Metathalamus | Layer 1 | 
| 10 | Medial root | Layer 1 | 
| 11 | Lateral root | Layer 1 | 
| 12 | Optic tract | Layer 1 | 
| 13 | Optic chiasm; optic chiasma | Layer 1 |