Exploration of the brain from its lateral aspect

Transverse fissure exposed by further removal of thalamus and internal capsule

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Image #15-5

Exploration of the brain from its lateral aspect

Transverse fissure exposed by further removal of thalamus and internal capsule

The structures opposing the thalamus across the transverse fissure are visible. The meninges within the fissure are undisturbed.

1. Ventricular surface of corpus callosum
2. Choroid plexus and body of fornix
3. Inferior surface of corpus callosum (splenium)
4. Meninges within transverse fissure
5. Thalamus
6. Mamillothalamic tract
7. Internal capsule (cut across in several planes)
8. Optic tract (cut across)
9. Anterior commissure
10. Hippocampus
11. Radiation of corpus callosum (cut across)
12. Calcar avis
13. Collateral trigone
14. Dentate fascia
15. Choroidal branches of posterior cerebral artery
16. Collateral eminence
17. Fimbria of hippocampus
18. Hippocampal gyrus
19. Choroidal artery (anterior)