Figure 3

(a) Cartilage formation at 2 weeks after rib fracture surgery assessed by toluidine blue staining. Region stained blue is cartilage (closed arrowheads). Magnification is × 200 and scale bar is 0.5 mm. *, Fracture site; B, bone; BM, bone marrow. (b) Quantitative analysis of cartilage area. N=5 per group. Values are expressed as mean±s.e.m. **P<0.01 vs. Saline, ††P<0.01 vs. Ang II, ##P<0.01 vs. Ang II+hyd.