[Ultrastructure of erythroblasts].
D000747:Anemia, Hypochromic / Q000473:pathology; D000748:Anemia, Macrocytic / Q000473:pathology; D001854:Bone Marrow Cells; D004912:Erythrocytes / Q000166:cytology*; D006432:Hemochromatosis / Q000473:pathology; D006801:Humans; D008854:Microscopy, Electron