Fig. 3From: Weekly injections of Hylan G-F 20 delay cartilage degeneration in partial meniscectomized rat kneesAnalyses of histological observations for the medial tibial cartilage. a Sagittal sections stained with safranin-o and immunostained with type II collagen. An 18-week-old rat was used as a normal. Boxed areas in the upper panels are shown at a higher-magnification view in the middle panels. b OARSI score (n = 5, **p < 0.01 by Paired t-test)Back to article page