cerebellar peduncle

: any of three large bands of nerve fibers that join each hemisphere of the cerebellum with the parts of the brain below and in front:

a : one connecting the cerebellum with the midbrain

— called also brachium conjunctivum, pedunculus cerebellaris superior, superior cerebellar peduncle

b : one connecting the cerebellum with the pons

— called also brachium pontis, middle cerebellar peduncle, middle peduncle, pedunculus cerebellaris medius

c : one that connects the cerebellum with the medulla oblongata and the spinal cord

— called also inferior cerebellar peduncle, pedunculus cerebellaris inferior, restiform body