(restiform = rope-shaped). The larger part of the inferior cerebellar peduncle. A large white matter tract in the dorsolateral medulla that provides input to the cerebellum from the spinal cord, inferior olive, and reticular formation. Supplied by the posterior inferior cerebellar artery and small direct branches from the vertebral artery.
The largest cerebellar peduncle, containing axons from neurons in the opposite pontine nuclei that project to the cerebellum as mossy fibers.