Ascending and descending spinal cord tracts.
D002531:Cerebellum / Q000033:anatomy & histology / Q000502:physiology; D006801:Humans; D013116:Spinal Cord / Q000033:anatomy & histology* / Q000502:physiology; D013133:Spinothalamic Tracts / Q000033:anatomy & histology / Q000502:physiology