Bassett Collection of Stereoscopic Images of Human Anatomy

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Exploration of the cerebellum and brain stem from the medial aspect

Midsagittal section

Image #27-1

KEYWORDS: Brain, Cerebellum, Medulla, Midbrain, Pons, Ventricules, Overview.

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Higher resolution images are available for a fee. Contact Drew Bourn, PhD, MLIS.

Exploration of the cerebellum and brain stem from the medial aspect

Midsagittal section

The midline representations of the lobular divisions of the cerebellum are visible in this section which cuts through the vermis. The third ventricle, cerebral aqueduct and fourth ventricle are demonstrated. Little detail is evident in the tegmentum of the medulla, pons and mesencephalon because the cut passes through the raphe.

1 .	Third ventricle and thalamus
2 .	Posterior commissure
3 .	Quadrigeminal plate
4 .	Cerebral aqueduct and mesencephalic tegmentum
5 .	Central lobule and decussation of superior cerebellar peduncle
6 .	Anterior medullary velum and cerebellar lingula
7 .	Posterior recess interpeduncular fossa
8 .	Median eminence rhomboid fossa
9 .	Fastigial nucleus
10 .	Superior fovea rhomboid fossa
11 .	Dorsal part of pons
12 .	Nodulus
13 .	Basilar part of pons
14 .	Striae medullares
15 .	Basilar artery
16 .	Wing of gray matter
17 .	Nucleus hypoglossal nerve
18 .	Medulla oblongata
19 .	Transverse cerebral fissure
20 .	Declive
21 .	Primary fissure
22 .	Culmen (pointer on medullary substance of this lobule)
23 .	Folium vermis
24 .	Tuber vermis
25 .	Pyramid (vermis)
26 .	Uvula (vermis)
27 .	Choroid plexus fourth ventricle
28 .	Arachnoid
29 .	Tonsil (ventral paraflocculus)
30 .	Obex
31 .	Central canal