Exploration of the brain from its superior aspect

Lentiform nucleus, uncinate fasciculus; roof of third ventricle

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Image #11-1

Exploration of the brain from its superior aspect

Lentiform nucleus, uncinate fasciculus; roof of third ventricle

The claustrum and external capsule have been removed to display the lateral surface of the lentiform nucleus. A few vertically directed fibers of the external capsule still remain on this surface. The meninges of the transverse fissure have been taken away to expose the thalamus, tela chorioidea and choroid plexus of the third ventricle and the pineal body.

1. Fibers entering inferior frontal gyrus
2. Frontal branch of middle cerebral artery
3. Uncinate fasciculus
4. Inferior occipitofrontal fasciculus
5. Lentiform nucleus (external surface of putamen)
6. Medullary substance of transverse temporal gyrus
7. Choroidal branch of posterior cerebral artery
8. Lamina affixa
9. Superior longitudinal fasciculus (cut off)
10. Corpus callosum
11. Head of caudate nucleus
12. Fornix (column) (cut off)
13. Corona radiata
14. Remnant of choroid plexus lateral ventricle
15. Caudate nucleus (tail)
16. Choroid plexus third ventricle
17. Thalamus
18. Pineal body
19. Fornix (crus) (cut across)