n :  any of four nerve tracts which pass from the spinal cord to the cerebellum and of which two are situated on each side external to the crossed corticospinal tracts:  a  :  a posterior tract on each side that arises from cells in the nucleus dorsalis esp. on the same side and passes to the inferior cerebellar peduncle and vermis of the cerebellum - called also dorsal spinocerebellar tract , osterior spinocerebellar tract   b  :  an anterior tract on each side that arises from cells mostly in the dorsal column of gray matter on the same or opposite side and passes through the medulla oblongata and pons to the superior cerebellar peduncle and vermis - called also anterior spinocerebellar tract , owers's tract , ract of Gowers , ventral spinocerebellar tract  .
 
 
 
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