[TA] a large group of loosely arranged fiber fascicles emerging from the hilus of the olivary nucleus, crossing to the opposite side of the medulla oblongata through the stratum interolivare lemnisci and the contralateral olive, and joining the restiform body, the larger part of the contralateral inferior cerebellar peduncle; its fibers terminate in all parts of the cerebellar cortex as climbing fibers and in the cerebellar nuclei; all olivocerebellar projections are crossed. SYN: tractus olivocerebellaris [TA].