Fig. 3

Micro-CT analysis of subchondral bone changes in rats. A 3D view of knee joint cartilage surface, severe cartilage damage existed in both MIA injected (a) and contralateral control (b) knees; B cartilage lost and subchondral bone osteosclerosis were severe in both femoral condyle and tibia in MIA injected (a) and contralateral (b) knees