- 1. Excretion of an acid urine. 2. Excretion of an abnormal amount of any specified acid. Individual types of a. are prefixed by the specific acid; e.g., aminoaciduria, ketoaciduria. [acid + G. ouron, urine]- argininosuccinic a. [MIM*207900] an autosomal-recessive disorder characterized by excessive urinary excretion of argininosuccinic acid, epilepsy, ataxia, mental retardation, liver disease, and friable, tufted hair; presumed to be the consequence of a deficiency of an enzyme responsible for splitting argininosuccinic acid to arginine and fumaric acid. SYN: arginosuccinate lyase deficiency.
* * *ac·id·uria .as-ə-'d(y)u̇r-ē-ə n the condition of having acid in the urine esp. in abnormal amounts see AMINOACIDURIA
* * *ac·id·u·ria (as″ĭ-duґre-ə) excess of acid in the urine; types are usually named for the acid in question, such as aminoaciduria, dicarboxylicaciduria, glutaricaciduria, and so on.
Medical dictionary. 2011.