title: Defecation disorders and the role of defecography.
abstract: This continuing education article discusses abnormalities of defecation and the physical mechanisms by which these abnormalities occur. The article also describes the role of defecography and other imaging techniques used to diagnose abnormalities of defecation.
authors.forename: J
authors.initials: J
authors.lastname: Newman
mesh_terms: D001003:Anal Canal / Q000000981:diagnostic imaging / Q000502:physiology; D003248:Constipation / Q000000981:diagnostic imaging / Q000209:etiology / Q000503:physiopathology; D003672:Defecation / Q000502:physiology*; D005242:Fecal Incontinence / Q000000981:diagnostic imaging; D005243:Feces; D005260:Female; D006547:Hernia / Q000150:complications / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D009119:Muscle Contraction; D011391:Prolapse; D011859:Radiography; D012002:Rectal Diseases / Q000150:complications / Q000000981:diagnostic imaging; D012007:Rectum / Q000000981:diagnostic imaging* / Q000502:physiology