electrophysiologic studies , including nerve conduction velocities , cortical and spinal somatosensory-evoked responses , and bulbocavernosus reflex responses , as well as urinary bladder cystometry , documented normal peripheral somatosensory function , integrity of the distal spinal cord , conus medullaris and cauda equina , and interruption of the somatosensory and descending spinal pathways proximal to the cauda equina .
C0037925
spinal cord
C0007458
cauda equina