Abnormality of anorectal physiology in Hirschsprung's disease.
D001003:Anal Canal / Q000503:physiopathology; D001706:Biopsy; D002648:Child; D004576:Electromyography; D005769:Gastrointestinal Motility; D006801:Humans; D007231:Infant, Newborn; D007441:Intubation, Gastrointestinal; D008531:Megacolon / Q000175:diagnosis / Q000503:physiopathology*; D009130:Muscle, Smooth; D011312:Pressure; D012007:Rectum / Q000503:physiopathology; D012018:Reflex; D014159:Transducers