1.anemiaan liittyvä poikkeava punasolu, jossa on tumma rengas tumman keskustan ympärillä
2.solu, jossa on tietty reseptori esimerkiksi antigeenille, hormonille tai lääkkeelle
1.an abnormal red blood cell with the appearance of a dark ring surrounding a dark center; associated with anemia
2.any cell that has a specific receptor for an antigen or antibody or hormone or drug, or is the focus of contact by a virus or phagocyte or nerve fiber etc.