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
Tenthredo colon feed on leaves of "Epilobium hirsutum", "Chamerion angustifolium", "Pteridium aquilinum" and "Salix". This species can be found in hedge rows in most of Europe and in the Nearctic ecozone. Tenthredo colon Tenthredo colon is a sawfly species belonging to the family Tenthredinidae (common sawflies). "Tenthredo colon" can reach a length of about . These sawflies have black head and thorax. Abdomen is black with a reddish area towards the tip. Legs are reddish. Antennae are black, with white tips. The larvae are pale brown with a characteristic diamond pattern of diagonal cross lines and a darker brown mark on the