| 释义 |
〔phenylketonuria〕A genetic disorder in which the body lacks the enzyme necessary to metabolize phenylalanine to tyrosine. Left untreated, the disorder can cause brain damage and progressive mental retardation as a result of the accumulation of phenylalanine and its breakdown products.苯丙酮尿:一种先天性代谢异常,其机体缺乏将苯丙氨酸代谢成酪氨酸所必需的酶。如果不治疗,这种异常会导致脑损伤和精神抑制,这是苯基丙氨酸沉积和其分解物的产物〔alanine〕A crystalline amino acid, C3H 7NO 2, that is a constituent of many proteins. 丙氨酸:一种晶体状的氨基酸,C3H 7NO 2,是许多蛋白质的组成成份 |