Definition of Histidine
Histidine: An amino acid, one of the 20 building blocks of protein. An essential amino acid, histidine is present in many proteins. Histidine is elevated in the blood and urine in a genetic condition called histidinemia. Decarboxylation of histidine results in the formation of histamine. Symbol: His.Source: MedTerms™ Medical Dictionary
Last Editorial Review: 6/14/2012
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