homogentisic acid

[ hoh-muh-jen-tis-ik, -tiz-, hoh- ]
/ ˈhoʊ mə dʒɛnˈtɪs ɪk, -ˈtɪz-, ˌhoʊ- /


an intermediate compound in the metabolism of tyrosine and of phenylalanine, found in excess in the blood and urine of persons affected with alkaptonuria.

Words nearby homogentisic acid

Origin of homogentisic acid

First recorded in 1890–95; homo- + gentisic acid
Also called alkapton.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Medical definitions for homogentisic acid

homogentisic acid
[ hō′mō-jĕn-tĭzĭk ]


An intermediate of the metabolic breakdown of tyrosine and phenylalanine; it occurs in the urine in cases of alkaptonuria.alkapton
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.