sows wild oats. Idiom. sow one's wild oats, to have a youthful fling at reckless and indiscreet behavior, esp. to be promiscuous before marriage. From Dictionary.com. He's a guy who sows wild oats. #sow #wild #oat #promiscuous #indiscreet. by jimhern January 21, 2011.
Phenylketonuria (PKU) can be defined as a rare metabolic disorder caused by a deficiency in the production of the hepatic (liver) enzyme phenylalanine hydroxylase (PAH). PKU is the most serious form of a class of diseases referred to as hyperphenylalaninemia, all of which involve above normal (elevated) levels of phenylalanine in the blood.
PKU. 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.oun. 1. phenylketonuria-a genetic disorder of metabolism; lack of the enzyme needed to turn phenylalanine into tyrosine results in an accumulation of phenylalanine in the body fluids which causes various degrees of mental deficiency.