title: Movement of radiopacified feces during defecation.
mesh_terms: D001466:Barium Sulfate; D003672:Defecation; D005243:Feces; D006801:Humans; D011859:Radiography; D012007:Rectum / Q000000981:diagnostic imaging / Q000502:physiology
chemical_list: D001466:Barium Sulfate