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Answer for the clue "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 ", 15 letters:
phenylketonuria

Alternative clues for the word phenylketonuria

Word definitions for phenylketonuria in dictionaries

Wikipedia Word definitions in Wikipedia
Phenylketonuria ( PKU ) is an inborn error of metabolism involving impaired metabolism of the amino acid phenylalanine . Phenylketonuria is caused by absent or virtually absent phenylalanine hydroxylase (PAH) enzyme activity. Both PKU and most non-PKU hyperphenylalaninemia ...

WordNet Word definitions in WordNet
n. 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 [syn: PKU ]

Wiktionary Word definitions in Wiktionary
n. (context medicine English) A metabolic disorder in which individuals lack the liver enzyme phenylalanine hydroxylase (''PAH'') which is needed to metabolize the amino acid phenylalanine.

Usage examples of phenylketonuria.

The defeat of the baby-farming lobby removes a long-time stigma from the fair brow of the Junior-but-One State - a congenital stigma, one may say, since the J-but-O State's accession to hoodness coincided almost to the day with the first eugenic legislation concerned with haemophilia, phenylketonuria and congenital imbecility .