- Cerebellum 257
Sup. CP
Middle cerebral
peduncle
SCP Inf. CP
MCP
ICP
Brainstem
Spinal cord
Cere-
bellum
Pontine
nuclei only
MCP pathway
Corticopontocerebellar
Exceptions :
- AST uses SCP for inflow
- Select midline cerebellar
pathways use ICP for outflow
General organization
SCP pathways
Pathways from the dentate &
interposed nuclei
ICP pathways
Spinal cord: PST, CST, & RST
Brainstem: Reticulo-, trigemino-
olivo-, & vestibulocerebellar
pathways, & direct vestibular
nerve fibers
DRAWING 15-3 Peduncles, Midline Structures, Arteries — Partial