Fasciculus Gracilis Fasciculus Cuneatus Lateral corticospinal tract: descending; voluntary motor function Lateral spinothalamic tract: ascending; pain, crude temperature, light tough. Anterior spinothalamic tract: ascending; pain, crude temperature, light tough. Anterior corticospinal tract; descending; voluntary motor function° S=sacral, L=lumbar, T=thoracic, C=cervical
