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Medical Definition of Meglumine diatrizoate
1. N-methylglucamine salt of 3,5-diacetamido-2,4,6-triiodobenzoic acid;a water-soluble organic iodine compound used for excretory urography, for contrast visualization of the cardiovascular system, and orally for opacification of the gastrointestinal tract. Synonym: methylglucamine diatrizoate. (05 Mar 2000)