Gastroenterology: The small intestine, absorption and nutrition, the colon, peritoneum, mesentery, and omentum

abdominal abnormal absorption acid acute anemia associated autopsy balloon barium bile biliary biopsy blood Brit carcinoid carcinoma cause cecum celiac celiac disease cells cent chronic clinical colon cysts denal diagnosis diarrhea diet digestion dilatation disease distal distention diverticula diverticulosis duct duode duodenal diverticula duodenal stasis duodenal ulcer duodenum fecal fat fistula fluid gastric Gastroenterology gastrointestinal tract glucose gluten-free gluten-free diet hemorrhage histologic idiopathic ileitis ileocecal ileus inflammatory ingested intes intestinal obstruction intubation intussusception involvement jejunal jejunum lesion loop lumen malabsorption malignant mesenteric mucosa nontropical sprue normal nutritional occlusion occur operation pain pancreatic patients peptic ulcer perforation peritonitis present primary protein proximal rare regional enteritis reported resection result roentgen segment serum small bowel small intestine steatorrhea stomach stools Surg Surgery surgical symptoms syndrome terminal ileum testinal therapy tients tinal tion tissue treatment tube tuberculosis tumors usually villi vitamin B12 volvulus vomiting wall Whipple's disease x-ray