Fig. 2

Safranin O/Fast Green staining of representative, median scoring, 3-month, 12-month, 5.5-ACLT, 6.5-ACLT, 7.5-ACLT, and Sham medial tibial condyles. The right medial tibia of the 5.5-ACLT month joint looked most similar to that of the 12 month primary OA joint (red box). (Original magnification, × 100)