Search cytopenia cytopenia /-pē″nē·ə/ [Gk, kytos + penes, poor] , a deficiency in numbers of the blood cell elements. Tweet Telegram VK Random Words branched-chain amino acids (BCAA) IV paroxysmal nocturnal dyspnea (PND) synactive model of infant behavior electroencephalograph (EEG) rabid epistaxis experience rating copula