At the Level of Posterior Commissure

1. Third ventricle
2. Posterior commissure
3. Habenular nucleus
4. Pulvinar
5. Internal medullary lamina
6. Reticular nucleus of thalamus
7. External medullary lamina
8. Ventral posterolateral nucleus of thalamus
9. Ventral posteromedial nucleus of thalamus
10. Centromedian nucleus of thalamus
11. Habenulointerpeduncular tract
12. Medial longitudinal fasciculus
13. Red nucleus
14. Oculomotor nucleus

15. Medial lemniscus
16. Medial geniculate body
17. Lateral geniculate body
18. Optic tract
19. Substantia nigra
20. Subthalamic nucleus
21. Crus cerebri
22. Zona incerta
23. Prerubral field (H2 field of Forel)
24. Mammillothalamic Tract
25. Fornix
26. Hypothalamus
27. Parahippocampal gyrus

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