Lower gastrointestinal series 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 a hospital or clinic. The patient lies on the X-ray table and a preliminary X-ray is taken. The patient is then asked to lie on the
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