Fig. 5

On the upper panel representative photomicrographs (patients: 19, 39, 2) of undifferentiated MSCs from posterior iliac crest, on the bottom panel representative photomicrographs (patients: 16, 13, 11) of undifferentiated MSCs from proximal tibia, cultured for 2, 3 and 4 passages. The images were captured at 10 × magnification with scale bar of ∼100 μm