Figure 7: Histology of time-course changes in bone formation on scaffolds in the rat calvaria.37H (A, C, and E) and Col37H (B, D, and F) were implanted for one (A and B), 3 (C and D), and six (E and F) weeks. Non-decalcified sections were stained with VB. T: tunnel, S: β-TCP, c: calvaria, n: new bone, Bar: 100μm.