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- n. A procedure in which the patient ingests barium sulfate (a radioopaque compound) for the purpose of producing clear radiographs of the esophagus, stomach, and duodenum.
Sorry, no etymologies found.
Nevertheless, over a four-day period, Matthew was subjected to “a colonoscopy, a barium meal and follow-through, an MRI scan of his brain, a lumbar puncture . . . an EEG and other neurophysiological tests, and a variety of blood and urine tests.”