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Exploration of the brain from its basal aspect

Relations of choroid plexus and fornix to transverse fissure

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Image #7-2
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Exploration of the brain from its basal aspect
Relations of choroid plexus and fornix to transverse fissure
The stria terminalis, lamina affixa and ependymal surface of the caudate nucleus have been cut away. All of the structures which form the floor of the central part of the lateral ventricle are thus removed. The cerebral peduncle is further cut back.
1 . Anterior nucleus of thalamus
2 . Superior occipitofrontal fasciculus
3 . Internal capsule (cut across at junction with corona radiata)
4 . Corpus callosum forming roof of lateral ventricle
5 . Choroid plexus lateral ventricle
6 . Fornix (body) (choroid plexus attaches to head of fornix along lateral margin of fornix)
7 . Choroidal vein (uninjected)
8 . Choroidal branch of posterior cerebral artery
9 . Fornix (crus)
10 . Dentate fascia (hippocampus)
11 . Hippocampal gyrus
12 . Anterior commissure
13 . Anterior perforated substance
14 . Mamillothalamic tract
15 . Mamillary body
16 . Medial nucleus of thalamus (dissected)
17 . Cut surface of thalamus
18 . Substantia nigra
19 . Superior cerebellar artery
20 . Cerebral peduncle (cut across)
21 . Trochlear nerve (IV)
22 . Pons