Exploration of the brain from its superior aspect

Claustrum; choroidal arteries in transverse fissure

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Image #10-7

Exploration of the brain from its superior aspect

Claustrum; choroidal arteries in transverse fissure

The body of the fornix has been removed on each side to reveal the meninges within the transverse fissure. Choroidal branches of the posterior cerebral arteries lie within this fissure and supply branches to the choroid plexuses of the lateral and third ventricles.

1. Inferior frontal gyrus
2. Lateral cerebral fissure
3. Uncinate fasciculus (outermost fibers)
4. Middle cerebral artery
5. Remnants of medullary fibers of insula
6. Claustrum
7. Corona radiata
8. Transverse temporal gyrus
9. Superior longitudinal fasciculus (cut across)
10. Cingulum (cut across)
11. Septum pellucidum (cut across)
12. Columns of the fornix (cut across)
13. Interventricular foramen right (of Monro)
14. Lamina affixa
15. Meninges within transverse fissure
16. Superior surface of thalamus exposed within transverse fissure
17. Fornix (crus)