homogentisic acid [hoh-muh-jen-tis-ik, -tiz-, hoh-] Word Origin noun
- an intermediate compound in the metabolism of tyrosine and of phenylalanine, found in excess in the blood and urine of persons affected with alkaptonuria.
Origin of homogentisic acid First recorded in 1890–95;+ Also called . homogentisic acid in Medicine 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.alkapton