Figure 2.

Microphotographs of PCNA-positive chondrocytes (arrows) in the resting zone and in the proliferative & hypertrophic zone of growth plate of apex vertebrae in AIS patient under micro camera(Magnification: 400×). PCNA-positive chondrocytes (arrows) in the resting zone of convex side(A). PCNA-positive chondrocytes (arrows) in the resting zone of concave side(B). PCNA-positive chondrocytes (arrows) in the proliferative & hypertrophic zone of convex side(C). PCNA-positive chondrocytes (arrows) in the proliferative & hypertrophic zone of concave side(D).