X CLOSE

Exploration of those parts of the brain supplied by the posterior cerebral artery

Cingulum and inferior longitudinal fasciculus

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Image #19-3
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Exploration of those parts of the brain supplied by the posterior cerebral artery
Cingulum and inferior longitudinal fasciculus
In the first stage of the dissection the cortex and immediately subjacent fibers have been scraped away from an area of the inferior aspect of the temporal lobe and medial side of the occipital lobe. Association fiber systems thus exposed are the cingulum (22), leading toward the uncus, and the inferior longitudinal fasciculus (22), seen more posteriorly extending between the occipital and temporal areas. The line of Gennari, characteristic of the visual (striate) cortex, is clearly visible in the sectioned cortex at (17).
1 . Choroid plexus of lateral ventricle
2 . Cingulate sulcus
3 . Corpus callosum (cut across)
4 . Pulvinar
5 . Great cerebral vein (of Galen)
6 . Left posterior cerebral artery
7 . Pulvinar
8 . Branch of posterior cerebral artery to choroid plexus of third ventricle
9 . Decussation of brachium conjunctivum
10 . Substantia nigra
11 . Cerebral peduncles
12 . Posterior cerebral artery
13 . Anterior temporal branch of posterior cerebral artery
14 . Uncus (hippocampal gyri)
15 . Fusiform gyrus
16 . Parieto-occipital fissure
17 . Line of Gennari in visual cortex
18 . Calcarine fissure
19 . Parieto-occipital branch of posterior cerebral arteiy
20 . Calcarine branch of posterior cerebral artery
21 . Inferior longitudinal fasciculus
22 . Cingulum
23 . Collateral fissure
24 . Posterior temporal branch of posterior cerebral artery
25 . Inferior temporalis sulcus
26 . Inferior temporal gyrus.