Double-contrast barium enema bowel. Double-contrast barium enema A double-contrast barium enema is a form of contrast radiography in which x-rays of the colon and rectum are taken using two forms of contrast to make the structures easier to see. A liquid containing barium (that is, a radiocontrast agent) is put into the rectum. Barium is a silver-white metallic compound that outlines the colon and rectum on an x-ray and helps show abnormalities. Air is also put into the rectum and colon to further enhance the x-ray. Double-contrast barium enemas are less invasive than a colonoscopy and have comparatively fewer issues in a viable
Gisela Colon Gisela Colon Gisela Colon (born 1966) is an American contemporary artist who has developed a unique vocabulary of "organic minimalism," breathing life-like qualities into reductive forms. Originally from San Juan Puerto Rico, but currently living and working in Los Angeles, California, Colon creates work that is the product of cross-cultural influences, fusing characteristics of Minimalism, Light and Space, Finish Fetish, Op Art, and Kinetic Art. Colon is best known for meticulously creating light-activated sculptures through industrial and technological processes. She is one of the few women working in the Light and Space and Finish/Fetish movements. Recognized as a successor and