WordReference Random House Unabridged Dictionary of American English © 2026
GI series, 
  1. Medicinegastrointestinal 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. 

'GI series' also found in these entries (note: many are not synonyms or translations):
barium enema - barium x-ray - gastrointestinal series

Forum discussions with the word(s) "GI series" in the title:


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