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 at Abbott Magic Company and FAB Magic. Each August more than 1,000 magicians and lovers of magic gather there for "Abbott's Magic Get-Together", a 4-day magic convention, doubling the population, sharing magic tricks, and recollecting their knowledge of the famous occupation. The convention concludes each day with an evening show at Colon High School. The Colon High School teams are known as the "Magi", and the high school mascot is a white rabbit wearing a black top hat. Also, a few of the local shops exploit the "magic" theme in their titles. Colon also has a small Amish community. Colon,