homogentisic acid /ho·mo·gen·tis·ic ac·id/ (ho″mo-jen-tis´ik) an aromatic hydrocarbon formed as an intermediate in the metabolism of tyrosine and phenylalanine and accumulated and excreted in the urine in alkaptonuria.
homogentisic acid,
ho·mo·gen·tis·ic acid (h  m-j n-t z k)n. An intermediate of the metabolic breakdown of tyrosine and phenylalanine; it occurs in the urine in cases of alkaptonuria. Also called alkapton. |
homogentisic acid,
a compound that is an intermediate product of the metabolism of tyrosine. It forms a melanin-like staining substance in the urine of people who have alkaptonuria.
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