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Bassett Collection of Stereoscopic Images of Human Anatomy

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

Close-up view of dentate fascia and hippocampus from their internal aspects

Image #20-1

KEYWORDS: Brain, Telencephalon, Vasculature.

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Exploration of those parts of the brain supplied by the posterior cerebral artery
Close-up view of dentate fascia and hippocampus from their internal aspects
In this view considerable detail of the organization of fiber bundles in the depths of the fascia dentata (5) can be observed. The surface of the fascia dentata exposed here is that which faces the hippocampal gyrus across the cleavage line formed at the hippocampal fissure. Small straight arterial branches of the choroidal vessels derived from the posterior cerebral artery enter the tissue along the line of the fissure and pass inward between the fiber bundles. The curved molecular layer in the depths of the hippocampus (13) is seen to be in continuity with the tooth-like radiations of fibers of the dentate fascia. The alveus (12), which forms the smooth convex ventricular surface of the hippocampus as it is usually seen, is here viewed from its internal or attached aspect.
1 . Transverse fissure
2 . Band of gray matter
3 . Posterior cerebral artery
4 . Choroidal artery with branches into hippocampal fissure
5 . Dentate fascia
6 . Cerebral peduncle (cut across)
7 . Uncus (surface facing anterior part of hippocampal fissure)
8 . Inferior horn of lateral ventricle
9 . Occipital part radiations of corpus callosum
10 . Posterior horn lateral ventricle
11 . Choroid plexus
12 . "Alveus" (inner aspect)
13 . Molecular stratum of hippocampus
14 . Inferior longitudinal fasciculus
15 . Posterior temporal branch of posterior cerebral artery
16 . Inferior temporal sulcus