Bassett Collection of Stereoscopic Images of Human Anatomy

Exploration of the left half of the cerebellum and brain stem from its inferior and medial aspect

Relations of folia of pyramis and tuber vermis to lateral parts of cerebellar hemisphere

Image #26-5

KEYWORDS: Brain, Cerebellum, Medulla.

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Exploration of the left half of the cerebellum and brain stem from its inferior and medial aspect
Relations of folia of pyramis and tuber vermis to lateral parts of cerebellar hemisphere
The inferior half of the pyramis has been cut away and its remaining part reflected downward. The prepyramidal fissure is thus revealed. The folia of the upper aspect of the pyramis (15) can be traced laterally into the biventral lobule (3). The lobulus gracilis (2) extends medially deep within the prepyramidal fissure to become continuous with the deepest folia of the tuber on the superior wall of the fissure. Folia of the inferior semilunar lobule (1) all converge medially to become continuous with the remaining folia of the tuber (11).
1 . Inferior semilunar lobe (crus II ansiform lobule)
2 . Gracile lobule (paramedian lobule)
3 . Biventral lobule (dorsal paraflocculus)
4 . Medullary center of lateral part of cerebellar tonsil
5 . Medullary center of medial part of cerebellar tonsil
6 . Restiform body (inferior cerebellar peduncle)
7 . Flocculus (dissected)
8 . Horizontal cerebellar sulcus
9 . Folium vermis
10 . Declive of cerebellum
11 . Tuber vermis
12 . Primary fissure
13 . Medullary substance of Culmen of monticulus
14 . Folia connecting inferior semilunar lobule and tuber vermis
15 . Folium connecting gracile lobule and tuber vermis
16 . Pyramid (partially removed and reflected)
17 . Folium connecting lateral part of tonsil with pyramid
18 . Nodulus
19 . Cerebellar lingula
20 . Median eminence rhomboid fossa
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