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) Finnish "USA:n" and Swedish "USA:s" for the genitive case of "USA", Finnish "%:ssa" for the inessive case of "%", or Finnish "20:een" for the illative case of "20"). In Swedish, the colon is used in contractions, such as "S:t" for "Sankt" (Swedish for "Saint"), e.g. in the Stockholm metro station "S:t Eriksplan". This can even occur in people's names, for example ("" for "Axelson"). The colon was also used to mark abbreviations in early modern English. In Armenian, a colon indicates the end of a sentence, similar to a Latin full stop or period. The colon is also used as