Bassett Collection of Stereoscopic Images of Human Anatomy

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Exploration of a brain cut in frontal section at the splenium of the corpus callosum

Orientation view, cerebellum partly resected

Image #21-4

KEYWORDS: Brain, Cerebellum, Medulla, Vasculature, Ventricules.

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Exploration of a brain cut in frontal section at the splenium of the corpus callosum

Orientation view, cerebellum partly resected

The lobulus centralis of the cerebellum has been cut away, without, however, disturbing the numerous branches of the superior cerebellar arteries which passed over its surface or within its sulci. Each lateral ventricle is cut open at the junction of its body, inferior horn and posterior horn. Note the oblique plane of section of the brain stem, passing through the brachia conjunctiva superiorly and the olive inferiorly.

1 .	External sagittal stratum (cross section)
2 .	Choroid plexus lateral ventricle
3 .	Hippocampus
4 .	Posterior cerebral artery (cut off)
5 .	Superior colliculus
6 .	Superior cerebellar artery left
7 .	Brachium conjunctivum (superior cerebellar peduncle) (cut across)
8 .	Roots of facial nerve
9 .	Abducens nerve (VI) leaving nucleus of abducens nerve
10 .	Facial nerve (VII)
11 .	Pyramis [medulla oblongata]
12 .	Longitudinal fissure (cerebral)
13 .	Medial longitudinal stria
14 .	Great cerebral vein (of Galen) (not injected)
15 .	Calcarine fissure
16 .	Collateral fissure
17 .	Trochlear nerve (IV)
18 .	Cerebellar lingula lying on anterior medullary velum
19 .	Fourth ventricle
20 .	Nucleus of abducens nerve
21 .	Brachium pontis (middle cerebellar peduncle) (cut across)
22 .	Cerebellum
23 .	Medial lemniscus (cut across)
24 .	Inferior olivary nucleus