Bassett Collection of Stereoscopic Images of Human Anatomy

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Exploration of the cerebellum and brain stem from above and to the right

Locus caeruleus, cochlear nucleus and taenia choroidea of fourth ventricle

Image #28-1

KEYWORDS: Brain, Pons, Ventricules.

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Exploration of the cerebellum and brain stem from above and to the right

Locus caeruleus, cochlear nucleus and taenia choroidea of fourth ventricle

The peduncle of the flocculus and flocculotegmental fibers seen in the previous view have been cut away to demonstrate other structures beneath the floor of the rhomboid fossa. The locus caeruleus (17) and some fibers of the mesencephalic root of the fifth nerve (19) are visible. The dorsal cochlear nucleus (9) is seen in the floor of the lateral recess.

1 .	Nodulus
2 .	Choroid plexus fourth ventricle
3 .	Clava
4 .	Obex
5 .	"Area postrema"
6 .	Hypoglossal trigone
7 .	Facial colliculus (ependyma intact) and fibers of internal genu of facial nerve
8 .	Taenia chorioidea
9 .	Dorsal nucleus of cochlear nerve
10 .	Choroid plexus
11 .	Restiform body (inferior cerebellar peduncle) (cut across)
12 .	Brachium pontis (middle cerebellar peduncle)
13 .	Central lobule
14 .	Lingula
15 .	Anterior medullary velum
16 .	Median eminence rhomboid fossa
17 .	Locus caeruleus
18 .	Brachium conjunctivum (superior cerebellar peduncle) (cut across)
19 .	Descending root (mesencephalic) of trigeminal nerve
20 .	Lateral lemniscus
21 .	Superficial fibers of brachium pontis (middle cerebellar peduncle) reflected to demonstrate deeper layer
22 .	Trigeminal nerve (V)