Upper gastrointestinal series tract in addition to barium, and this procedure is called double-contrast imaging. In this case the gas is referred to as the negative contrast medium. Traditionally the images produced with barium contrast are made with plain-film radiography, but computed tomography is also used in combination with barium contrast, in which case the procedure is called CT enterography. Various types of barium X-ray examinations are used to examine different parts of the gastrointestinal tract. These include barium swallow, barium meal, barium follow-through, and barium enema. The barium swallow, barium meal, and barium follow-through are together also called an upper gastrointestinal series
Colon statue Colon statue Colon" statues, a term derived from the French statues colon" ("colon" is the French noun for a colonist), are a genre of wooden figurative sculpture within African art which originated during the colonial period. The statues commonly depict European colonial officials such as civil servants, doctors, soldiers or technicians or Europeanised middle-class Africans. They are often characterised by recurrent decorative motifs, such as pith helmets, suits, official uniforms or tobacco pipes, and are painted in bright or glossy colours with vegetable-based paints. As a genre, "colon" statues originated in West Africa, apparently among the Baoulé in Ivory Coast.