barium enema(redirected from Lower gastrointestinal series)
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A radiographic study in which a solution containing barium sulfate is administered into the rectum in order to visualize the lower intestinal tract.
(Medicine) an injection into the rectum of a preparation of barium sulphate, which is opaque to X-rays, before X-raying the lower alimentary canal
A diagnostic method of examining the rectum and colon using X-rays after inserting a contrast medium of barium sulfate liquid paste.