Figure 3
Vascularization after 2 weeks. Capillaries and small vessels (thin arrows) were detected in all groups after 2 weeks of in vivo implantation. In addition, multinucleated giant cells were observed on the scaffold surface (thick arrows). [Gp = Group, os-hMSCs = osteogenically stimulated hMSCs] Goldner’s trichrome: scale bars: 50 μms.