title: Response of the anal canal to repeated distension of the rectum.
mesh_terms: D001003:Anal Canal / Q000502:physiology*; D002648:Child; D006801:Humans; D009129:Muscle Tonus; D009130:Muscle, Smooth / Q000502:physiology; D012007:Rectum / Q000502:physiology*; D012018:Reflex