Contrast medium
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A contrast medium is a radiopaque substance used to facilitate roentgen visualization of internal structures of the body such as the urogenital sinus. A physician might require a patient to ingest barium before an X-ray investigation of the intestines, with barium acting as a contrast medium to make the radiograph more clear.
[edit] See also
[edit] References
- Dorland's Illustrated Medical Dictionary (Twenty-sixth Edition) (ISBN 0-7216-1645-3)
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