Exploration of the cerebellum and brain stem from above and behind

Section through central nuclei of cerebellum

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Image #24-2
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Exploration of the cerebellum and brain stem from above and behind
Section through central nuclei of cerebellum
The plane of section is parallel to the rhomboid fossa.
1 . Superior cerebellar artery
2 . Central lobule
3 . Primary fissure
4 . Commissural fibers
5 . Dentate nucleus
6 . Fourth ventricle (opening cut through posterior medullary velum)
7 . Capsule of dentate nuclei
8 . Tonsil (ventral paraflocculus)
9 . Medullary substance of biventral lobule (dorsal paraflocculus)
10 . Mesencephalon (cut transversely)
11 . Primary fissure
12 . Posterior superior fissure
13 . Fastigial nucleus
14 . Emboliform nucleus
15 . Uvula (vermis) and globose nucleus
16 . Medullary center of superior semilunar lobe (crus l ansiform lobule)
17 . Horizontal cerebellar sulcus (intercrural sulcus)
18 . Medullary center of inferior semilunar lobule (crus II ansiform lobule)
19 . Postpyramidal fissure
20 . Medulla oblongata