- Cerebellum 257
Sup. CP
Middle cerebral
peduncle
SCP Inf. CP
MCPICP
Brainstem
Spinal cordCere-
bellumPontine
nuclei onlyMCP pathway
CorticopontocerebellarExceptions :- AST uses SCP for inflow
- Select midline cerebellar
pathways use ICP for outflow
General organizationSCP pathways
Pathways from the dentate &
interposed nucleiICP pathways
Spinal cord: PST, CST, & RST
Brainstem: Reticulo-, trigemino-
olivo-, & vestibulocerebellar
pathways, & direct vestibular
nerve fibersDRAWING 15-3 Peduncles, Midline Structures, Arteries — Partial