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A radiographic procedure for viewing the stomach, in which a mixture of a contrast salt, such as barium or bismuth, and water is used to coat the stomach wall, thus allowing visualization of the shape and movement of the organ as well as lesions on the anterior or posterior wall.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.