Figure 2From: Chitosan-based scaffold modified with D-(+) raffinose for cartilage repair: an in vivo studyMacroscopic view of the osteochondral defects in the surgical controls (a,b) and chitosan-treated defects (c,d) after 2 weeks (a,c) and 4 weeks (b,d). Symbols: arrows indicate trochlear defects; rounded arrowheads indicate condylar defects.Back to article page