Slender processes of NEURONS, including the AXONS and their glial envelopes (MYELIN SHEATH). Nerve fibers conduct nerve impulses to and from the CENTRAL NERVOUS SYSTEM.

Synonyms: Mossy Fiber, Cerebellar, Cerebellar Mossy Fiber, Nerve Fibers, Mossy Fibers, Cerebellar, Cerebellar Mossy Fibers, Nerve Fiber