Lower gastrointestinal series a familial history of polyps or colon cancer, although it is not uncommon for a barium enema to be done after a colonoscopy for further evaluation. Lower gastrointestinal series A lower gastrointestinal series is a medical procedure used to examine and diagnose problems with the human colon (large intestine). Radiographs (X-ray pictures) are taken while barium sulfate, a radiocontrast agent, fills the colon via an enema through the rectum. The term barium enema usually refers to a lower gastrointestinal series, although enteroclysis (an upper gastrointestinal series) is often called a small bowel barium enema. This test may be done in
Colon (punctuation) By default, however, filenames use the Segoe UI font, and the tone letter U+A789 is identical to the colon in this font, so it can be used in place of the colon. Several programming languages use the colon for various purposes. A number of programming languages, most notably Pascal and Ada, use a colon immediately followed by an equality sign (codice_1), in which case the colon and the equality sign are considering to compose to an independent "assignment sign"; this can be represented in Unicode as . Labels—targets for jumps, notably goto, but also some switch statements—are general formed of