词根词缀：erythro-, erythr-, ereuth-

【来源及含义】Greek: the color red, ruddy; blushing

【同源单词】anerythroplasia, dolichostenomelia, erythralgia, erythralgia, erythremia, erythrin

词根词缀：-penia- (s), -penias (pl), -penic, pen-, penia-

【来源及含义】Greek > Modern Latin: abnormal reduction, decrease in, insufficient, deficiency. Originally, the meaning was poverty, need; sometimes it is erroneously or incorrectly rendered as -poenia

【同源单词】calcipenia, chloropenia, cytoglucopenia, cytopenia, eosinopenia, erythroblastopenia