Medical Term:

citrullinemia

Pronunciation: sit′rul-i-nē′mē-ă

Definition: Urea cycle disorder in which citrulline concentrations in the blood, urine, and cerebrospinal fluid are elevated, because of deficiency of arginosuccinate synthetase (ASS); manifested clinically by lethargy, vomiting, ammonia intoxication, and mental retardation with onset usually in infancy; autosomal recessive inheritance, caused by mutation in the ASS gene on chromos ome 9 in some patients.

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