Transfer of peripheral nerves to pelvic nerves.17, 29,33–35. a | Transfer of the hypogastric or obturator nerves to the pelvic splanchnic nerves (transected between the spinal cord and the pelvic plexus), or repair of the transected pelvic nerve ends. b | Transfer of the genitofemoral nerve to the anterior vesical branch of the pelvic nerve after bilateral transection of the dorsal and ventral sacral roots to the bladder. Abbreviations: CMG, caudal mesenteric ganglion; L, lumbar; NCE, nerve cuff electrode; S, sacral.