Here, then, we have a situation that could be directly analogous to the connection between phenylalanine and phenylpyruvic oligophrenia.

The enzyme was phenyla- lanmase and the mental condition phenylpyruvic oligophrenia.

The disease phenylpyruvic oligophrenia (ol'ih-goh-free'nee-uh; "deficient mind" G) is characterized by serious mental deficiency.

The primary symptoms of Ruzicka Goerz Anton syndrome include ichthyosis, deafness, oligophrenia, and skeletal deformities.