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al•lan•to•in



Pronunciation: (u-lan'tō-in), [key]
n. Biochem., Pharm.
a white powder, C4H6N4O3, produced by oxidation of uric acid and the major excretory product of purine degradation in many vertebrates: used medicinally to heal skin ulcers and in lotions, lipsticks, etc., for its soothing effect.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

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