subdivision of Homo sapiens lumbar spinal cord subdivision of spinal cord central canal lumbar division of spinal cord central canal SCTID:280406001 Part of central canal lying within the lumbar spinal cord. It is continuous rostrally with the central canal of the thoracic spinal cord and caudally with the central canal of the sacral spinal cord. BIRNLEX:1604 FMA:321589 lumbar spinal cord central canal UMLS:C0228644 UBERON:0014543