Exploration of the brain from its superior aspect

Structure of corpus callosum and relation to corona radiata

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Image #10-3

Exploration of the brain from its superior aspect

Structure of corpus callosum and relation to corona radiata

The right half of the corpus callosum has been partially torn away to reveal more completely the direction of its component fibers. The body of the lateral ventricle is opened in the area at 22.

1. Cingulum
2. Anterior horn lateral ventricle
3. Septum pellucidum and septal cavity
4. Head of caudate nucleus
5. Superior occipitofrontal fasciculus
6. Insula (partially dissected)
7. Location of Interventricular foramen
8. Anterior tubercle of thalamus
9. Corona radiata
10. Transverse temporal gyrus
11. Choroidal branch of posterior cerebral artery
12. Lamina affixa
13. Fornix (crus)
14. Superior longitudinal fasciculus (cut across)
15. Hippocampus
16. Posterior continuation of cingulum (cut across as it spreads out toward inferior aspect of temporal lobe and hippocampal gyrus)
17. Posterior cerebral artery within parieto-occipital fissure
18. Anterior cerebral arteries within longitudinal cerebral fissure
19. Inferior frontal sulcus
20. Radiation corpus callosum (partially dissected to show direction of fibers)
21. Corona radiata (cut across)
22. Cavity of lateral ventricle visible through opening in corpus callosum
23. Superior longitudinal fasciculus
24. Meninges within transverse fissure
25. Surface of lingual gyrus facing parieto-occipital fissure
26. Cerebellum