Exploration of the brain from its superior aspect

Associative systems of fibers within temporal lobe

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Image #11-3

Exploration of the brain from its superior aspect

Associative systems of fibers within temporal lobe

The upper half of the middle temporal gyrus has been broken away to illustrate the position and direction of some fiber systems entering this gyrus. The uncinate fasciculus, inferior occipitofrontal fasciculus and superior longitudinal fasciculus are all seen to contribute fibers.

1. Corona radiata (seen in cross section).
2. Inferior frontal gyrus (frontal operculum)
3. Branch middle cerebral artery within lateral fissure
4. Superior temporal gyrus
5. Superior temporal sulcus
6. Uncinate fasciculus
7. Lentiform nucleus
8. Inferior occipitofrontal fasciculus
9. Medullary substances of medial temporal gyrus
10. Superior longitudinal fasciculus (cut across)
11. Tapteum (cut across)
12. External sagittal stratum
13. Medullary substance of cuneus
14. Anterior horn lateral ventricle
15. Caudate nucleus
16. Superior occipitofrontal fasciculus
17. Third ventricle
18. Thalamus
19. Pineal body
20. Fornix (crus) (cut across)
21. Inferior horn of lateral ventricle
22. Limbic lobe (just beneath former position of splenium of corpus callosum)
23. Lingual gyrus