barium x-ray


Definition for barium x-ray (2 of 2)

GI series


gastrointestinal series: x-ray examination of the upper or lower gastrointestinal tract after barium sulfate is given rectally (barium enema) or orally as a contrast medium.

Also called barium x-ray. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019