citrullinemia cit·rul·li·ne·mi·a (sĭt'rə-lə-nē'mē-ə, sĭ-trŭl'ə-)
n.
A disease of amino acid metabolism in which there are elevated levels of citrulline in the blood, urine, and cerebrospinal fluid; it is manifested clinically by vomiting, ammonia intoxication, and mental retardation beginning in infancy.