histidinemia

(his″tĭ-dĭ-neĀ“me-ә) a hereditary aminoacidopathy marked by excessive histidine in the blood and urine due to deficient histidase activity; many affected persons show mild mental retardation and disordered speech development.
Found on http://www.encyclo.co.uk/local/21001

histidinemia

histidinemia A rare inborn error of amino acid metabolism characterized by an elevated level of plasma histidine, excessive urinary excretion of histidine and imidazole (an inhibitor of histamine) metabolites, mental retardation, and defective speech.
Found on http://www.wordinfo.info/words/index/info/view_unit/992/

histidinemia

Type: Term Pronunciation: his′ti-di-nē′mē-ă Definitions: 1. A metabolic disorder characterized by speech defects, growth deficiency, and mild mental retardation in some patients; associated with elevation of blood histidine level and excretion of histidine and related imidazole metabolites in urine due to deficiency of hi...
Found on http://www.medilexicon.com/medicaldictionary.php?t=41100

Histidinemia

Histidinemia, also referred to as histidinuria, is a rare autosomal recessive metabolic disorder caused by a deficiency of the enzyme histidase. Histidase is needed for the metabolism of the amino acid histidine. Although originally thought to be linked to multiple developmental disorders histidinemia is now accepted as a relatively benign disorde...
Found on http://en.wikipedia.org/wiki/Histidinemia
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