NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,233 terms related to cancer and medicine.
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- barium sulfate
- listen (BAYR-ee-um SUL-fayt)
- A silver-white metallic compound made from the mineral barite. It is mixed with water and used in barium swallows and barium enemas to help show parts of the digestive system on an x-ray.