Exploration of the meninges and brain in situ

Lateral ventricle viewed from behind; left internal cerebral vein

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Image #2-3

Exploration of the meninges and brain in situ

Lateral ventricle viewed from behind; left internal cerebral vein

The occipital and temporal lobes have been resected to expose the cavity of the lateral ventricle and its contained choroid plexus. The left internal cerebral vein (25) and its tributaries are visible within the transverse fissure.

1. Anterior cranial fossa (dura intact)
2. Corona radiata (cut across)
3. Insula
4. Middle cerebral vein (cut across)
5. Superior temporal gyrus (cut across)
6. Branch middle cerebral artery within lateral cerebral fissure
7. Superior temporal sulcus
8. Retrolenticular part of internal capsule (cut across)
9. Inferior horn of lateral ventricle (opened)
10. Medial temporal gyrus (cut across)
11. Inferior temporal gyrus (cut across)
12. Surface of fusiform gyrus facing inferior temporal sulcus
13. Middle cranial fossa (pointer on petrous part of temporal bone covered with dura)
14. Auricle
15. Inferior cerebral vein (lateral occipital vein)
16. Corpus callosum (cut across in midline)
17. Caudate nucleus (ventricular surface)
18. Septum pellucidum
19. Choroid plexus lateral ventricle
20. Fornix (body)
21. Line of attachment of fornix to septum pellucidum and corpus callosum
22. Caudate nucleus (tail)
23. Posterior superior surface of thalamus
24. Corpus callosum (splenium)
25. Internal cerebral vein left
26. Choroidal glomus
27. Parieto-occipital and calcarine branches of posterior cerebral artery
28. Calcarine fissure
29. Tentorium cerebelli (superior surface)
30. Posterior temporal branch of posterior cerebral artery
31. Medullary substance of occipital lobe