Also called small bowel follow-through. See also lower GI series. It measures about 20 feet and includes the duodenum, jejunum, and ileum. Must be covered at all times by a bag that collects stool. The stomach is where digestion of protein begins.
Stools are undigested foods, bacteria, mucus, and dead cells.
Also called feces. Also called stenosis. See also esophageal stricture and pyloric stenosis. See also gastroenteritis. Abnormalities in the lining of the small intestine prevent the body from absorbing food normally.