Search phenylalaninemia phenylalaninemia /fen′il′aləninē″mē·ə/ , the presence of phenylalanine in the blood. See also hyperphenylalaninemia. Tweet Telegram VK Random Words direct lead carbon-11 (11C) butyrophenone semiprone forced expiratory volume (FEV) inward aggression scel- cat-eye syndrome secondary hypertension