Figure 1

The hyperplastic degree and morphology of erythroblastic islands in bone marrow. (A) The bone marrow hyperplastic degree. Extremely low (a), low (b), active (c), more active (d). The images were taken under 100 × magnification. (B) Morphology of bone marrow erythroblastic islands was shown under 100× (e), 400× (f), and 1,000 × magnification (g). The larger arrow pointed to the macrophage and the smaller ones indicated erythroblasts.