Upper gastrointestinal series (or study), whereas the barium enema is called a lower gastrointestinal series (or study). In upper gastrointestinal series examinations, the barium sulfate is mixed with water and swallowed orally, whereas in the lower gastrointestinal series (barium enema), the barium contrast agent is administered as an enema through a small tube inserted into the rectum. Barium X-ray examinations are useful tools for the study of appearance and function of the parts of the gastrointestinal tract. They are used to diagnose and monitor esophageal reflux, dysphagia, hiatus hernia, strictures, diverticula, pyloric stenosis, gastritis, enteritis, volvulus, varices, ulcers, tumors, and gastrointestinal dysmotility, as
Colon, Michigan Sr. (The Great Blackstone) The United States Congress recognizes Colon as "The Magic Capital of the World." It is the home of the Abbott Magic Company, founded by magicians Percy Abbott, an Australian and friend of Blackstone's, and Recil Bordner, originally from Eaton, Ohio, in 1934. The company has a local store, showroom and a factory where magicians' supplies and new tricks are manufactured. Abbott Magic is well known among professional stage acts, with customers around the world. FAB Magic Company and the Sterlini Magic Manufacturing Company are also based in Colon. Weekly magic shows are performed during the summer