1 — Aqueduct of midbrain; Cerebral aqueduct; 2 — Red nucleus; 3 — Substantia nigra; 4 — Cerebral peduncle; 5 — Hypothalamus; 6 — Infundibulum; 7 — Optic nerve [II]; 8 — Optic chiasm; Optic chiasma; 9 — Tuber cinereum; 10 — Mammillary body; 11 — Optic tract; 12 — Lateral
geniculate body
