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Exploration of the brain from its basal aspect

Contents of lateral fissure exposed by partial resection of temporal lobe

Image #5-2

KEYWORDS: Brain, Frontal lobe, Meninges, Telencephalon, Vasculature.

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Higher resolution images are available for a fee. Contact Drew Bourn, PhD, MLIS.

Exploration of the brain from its basal aspect

Contents of lateral fissure exposed by partial resection of temporal lobe

The temporal lobe has been further cut away to expose the insula, the frontal operculum and branches of the middle cerebral artery lying in the lateral fissure. The arachnoid membrane and pia mater which covered a part of the resected temporal lobe are left in situ. The hypophysis has been removed.

1 .	Meninges (arachnoid and pia mater encephali)
2 .	Orbitofrontal branch of middle cerebral artery
3 .	Anterior temporal artery
4 .	Insula
5 .	Frontal part of operculum
6 .	Middle cerebral artery
7 .	Striate artery
8 .	Artery of precentral sulcus
9 .	Inferior occipitofrontal fasciculus (cut obliquely)
10 .	Inferior horn of lateral ventricle
11 .	Tapetum
12 .	Medial temporal gyrus
13 .	Inferior temporal gyrus
14 .	Inferior temporal sulcus
15 .	Fusiform gyrus
16 .	Orbital branch of anterior cerebral artery
17 .	Olfactory tract
18 .	Choroidal artery (anterior)
19 .	Optic tract
20 .	Mamillary body
21 .	Cerebral peduncle
22 .	Hippocampus (cut across)
23 .	Pons
24 .	Trigeminal nerve (V)
25 .	Collateral fissure
26 .	Basilar artery
27 .	Olive