from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An enzyme that catalyzes the inactivation of histamine and is found in the digestive system.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. a widely occurring flavoprotein enzyme that oxidizes histamine and various diamines

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. enzyme that acts as a catalyst in converting histidine to histamine


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