Exploration of the left half of the cerebellum and brain stem from its inferior and medial aspect |
Posterior medullary velum; posterolateral fissure; peduncle of flocculus partially exposed |
A portion of the tonsil has been torn away to expose the relations of the flocculus, its peduncle, the lateral recess of the ventricle and the restiform body. A segment of the posterior inferior cerebellar artery has been cut away. Its distal cut end is partially hidden by the nodulus. |
1
.
| Pyramid (vermis) | 2
.
| Fibers entering nodulus | 3
.
| Branch of posterior inferior cerebellar artery (PICA) | 4
.
| Postpyramidal fissure (second fissure) | 5
.
| Floccular peduncle (seen as a vertical white band) | 6
.
| Posterolateral fissure | 7
.
| Taenia chorioidea | 8
.
| Posterior inferior cerebellar artery | 9
.
| Cerebellar lingula | 10
.
| Nodulus | 11
.
| Posterior medullary velum | 12
.
| Striae medullares | 13
.
| Restiform body (inferior cerebellar peduncle) | 14
.
| Glossopharyngeal nerve (IX) | 15
.
| Flocculus |
|