Erythrocyte RBC; a nonnucleated biconcave disk approximately 7 µm in diameter, containing hemoglobin. The characteristic shape and flexible lipid membrane facilitate passage through narrow ...

NAINR. 2004;4(4):231-239. Mature erythrocytes are biconcave disks. RBCs with abnormal morphology may be removed from the circulation leading to anemia. Therefore, certain types of anemia may be ...

Healthy fresh red blood cells have a distinctive biconcave – or dumbbell – shape for efficient oxygen release. During refrigerated storage, red cells become energetically stressed and more ...