organic catalyst
21urinalysis — /yoor euh nal euh sis/, n., pl. urinalyses / seez /. Med. an examination of the urine to determine the general health of the body and, specifically, kidney function, usually including measurement of pH, tests for protein, glucose, ketones, and… …
22enzyme — n. [Gr. en, in; zyme, yeast] An organic catalyst produced by a living organism …
23galactosemia — galactosemic, adj. /geuh lak teuh see mee euh/, n. Pathol. an inherited disorder characterized by the inability to metabolize galactose and requiring a galactose free diet to avoid consequent mental retardation and eye, spleen, and liver… …
24phenylketonuria — phenylketonuric, adj. /fen l kee toh noor ee euh, nyoor , feen /, n. Pathol. an inherited disease due to faulty metabolism of phenylalanine, characterized by phenylketones in the urine and usually first noted by signs of mental retardation in… …
25tyrosinemia — /tuy roh si nee mee euh, tir oh /, n. Pathol. an inherited disorder of tyrosine metabolism that can lead to liver and kidney disease and mental retardation unless controlled by a special diet. [1960 65; TYROSINE + EMIA] * * * ▪ pathology also… …
26acatalasia — ▪ pathology rare hereditary metabolic disorder caused by lack of the organic catalyst or enzyme called catalase. Although a deficiency of catalase activity is noted in many tissues of the body, including the red blood cells, bone marrow,… …
27fructosuria — ▪ disease disturbance of fructose metabolism resulting from a hereditary disorder or intolerance. Normally, fructose is first metabolized in the body to fructose 1 phosphate by a specific organic catalyst or enzyme called fructokinase. In… …
28glucose-6-phosphate dehydrogenase deficiency — ▪ pathology hereditary metabolic defect characterized by an increased tendency of the red blood cells to break and release their hemoglobin (hemolysis), especially after the intake of certain drugs. The condition is caused, as the name… …
29homocystinuria — ▪ pathology hereditary metabolic disorder involving methionine, a sulfur containing essential amino acid. The metabolic sequence of methionine normally begins with its stepwise conversion to homocysteine, cystathionine, and cysteine,… …
30Lesch-Nyhan syndrome — ▪ pathology hereditary metabolic disorder affecting the central nervous system and characterized by incoordination, mental retardation, aggressive behaviour, and compulsive biting. The cause of the syndrome is a defective organic catalyst… …
