surrounds transformation of luminal space of anatomical space cerebrospinal fluid central canal of spinal cord neural tube lumen lumen of central canal of spinal cord Wikipedia:Central_canal spinal cord lumen FMA:242845 central canal lumen neural lumen cavity of central canal of spinal cord lumen of central canal of spinal cord UBERON:0009572 A cerebrospinal fluid-filled space that runs longitudinally through the length of the entire spinal cord. The central canal is contiguous with the ventricular system of the brain. The central canal represents the adult remainder of the neural tube. EMAPA:25042