subdivision of thoracic spinal cord subdivision of spinal cord central canal thoracic division of spinal cord central canal BIRNLEX:1395 UBERON:0014541 Part of spinal cord central canal contained in the thoracic spinal cord. It is continuous rostrally with the cervical spinal cord central canal and caudally with the lumbar spinal cord central canal. SCTID:71118002 FMA:321588