corticopontocerebellar

adjective

cor·​ti·​co·​pon·​to·​cer·​e·​bel·​lar -ˌpän-tō-ˌser-ə-ˈbel-ər 

: of, relating to, or being a tract of nerve fibers or a path for nerve impulses that passes from the cerebral cortex through the internal capsule to the pons to the white matter and cortex of the cerebellum