homogentisic acid

homogentisic acid

 [ho″mo-jen-tis´ik]

2,5-dihydroxyphenyl acetic acid, an intermediate product in the metabolism of tyrosine and phenylalanine, excreted in the urine in the inborn error of metabolism known as phenylketonuria.

Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

ho·mo·gen·tis·ic ac·id

(hō'mō-jen-tis'ik as'id),

Glycosuric acid; (2,5-dihydroxyphenyl)acetic acid; an intermediate in l-phenylalanine and l-tyrosine catabolism; if made alkaline, it oxidizes rapidly in air to a quinone that polymerizes to a melaninlike material; elevated levels are observed in patients with alcaptonuria.

Synonym(s): alcapton, alkapton

Farlex Partner Medical Dictionary © Farlex 2012

homogentisic acid

(hō′mō-jĕn-tĭz′ĭk)

n.

An intermediate of the metabolic breakdown of tyrosine and phenylalanine; it occurs in the urine in cases of alkaptonuria.

The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

ho·mo·gen·tis·ic ac·id

(hō'mō-jen-tis'ik as'id)

An intermediate in l-phenylalanine and l-tyrosine catabolism; if made alkaline, it oxidizes rapidly in air to a quinone that polymerizes to a melaninlike material; elevated levels are observed in individuals having alcaptonuria.
Synonym(s): alcapton, alkapton.

Medical Dictionary for the Health Professions and Nursing © Farlex 2012

homogentisic acid

see GARROD, A.

Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005