Exploration of the brain from its basal aspect

Caudate nucleus and lateral border of thalamus

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Image #6-4

Exploration of the brain from its basal aspect

Caudate nucleus and lateral border of thalamus

The internal capsule has been removed to demonstrate the head of the caudate nucleus and the external medullary lamina of the thalamus. The latter consists largely of fibers passing from the thalamic nuclei into the internal capsule. Note

1. Frontal part corona radiata
2. Head of caudate nucleus (partially removed)
3. Internal capsule (cut across at junction with corona radiata)
4. Frontal stalk of the thalamus (broken ends of fibers which passed into anterior limb of internal capsule)
5. Anterior commissure
6. Anterior perforated substance
7. Ansa lenticularis
8. Parietal stalk of thalamus (broken ends of fibers which passed through posterior limb of internal capsule)
9. Cerebral peduncle (cut across)
10. Lateral geniculate body
11. Inferior horn of lateral ventricle
12. Inferior temporal gyrus (cut across)
13. Longitudinal, fissure (cerebral)
14. Orbital gyrus
15. Straight gyrus
16. Anterior communicating artery
17. Tuber cinereum
18. Uncus
19. Brachium pontis (middle cerebellar peduncle)
20. Cerebellum and horizontal cerebellar sulcus