on lumbar colonic nerve stimulation the remaining responses of the rectum and anal canal were 60 % ( 40-68 % ) ( p less than 0.05 ) and 20 % ( 15-29 % ) , respectively , whereas on hypogastric stimulation the remaining rectal and anal responses were 32 % ( 20-42 % ) ( p less than 0.05 ) and 31 % ( 20-47 % ) ( p less than 0.05 ) .
C0227411
anal canal
C0003461
anal