noun ダウンロード 🔗共有 フェニルケトン尿症、代謝異常 A metabolic disorder in which individuals lack the liver enzyme phenylalanine hydroxylase (PAH) which is needed to metabolize the amino acid phenylalanine. Examples : "My cousin was diagnosed with phenylketonuria as a baby. " 私のいとこは赤ちゃんの頃にフェニルケトン尿症と診断されました。 medicine disease biochemistry physiology biology AIとチャット語彙ゲーム読解練習