the component of the superior cerebellar peduncle (brachium conjunctivum) that originates in the cerebellar nuclei; crosses completely in the decussation of the brachia conjunctiva; bypasses the red nucleus; and terminates in parts of the ventral anterior, ventral intermediate, ventral posterolateral, and central lateral nuclei of the thalamus. SYN: dentatothalamic tract, tractus cerebellothalamicus.