ty·ro·si·no·sis (t  r -s -n  ss)n. A rare, possibly inherited disorder of tyrosine metabolism characterized by enhanced urinary excretion of certain metabolites upon ingestion of tyrosine. |
tyrosinosis
[tī′rōsinō′sis]
Etymology: Gk, tyros + osis, condition
a rare condition resulting from a defect in amino acid metabolism and transmitted as an autosomal-recessive trait. It is characterized by the excretion of an excessive amount of parahydroxyphenylpyruvic acid, an intermediate product of tyrosine, in the urine. There is no known treatment. See also tyrosinemia.
tyrosinosis
a condition characterized by a faulty metabolism of tyrosine in which an intermediate product, parahydroxyphenyl pyruvic acid, appears in the urine and gives it an abnormal reducing power.
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