1. Health
Barium (BAIR-ee-um)

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 Related Terms
• Lower Gastrointestinal Series
 
 
Definition: A chalky liquid used to coat the inside of organs so that they will show up on an x-ray.

Related Resources:

Barium Enema
What to expect when having a barium enema (also called a lower gastrointestinal series) including risks.

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