Figure 9. Group 1 (atelocollagen-based scaffolds); day 26 after implantation.
An island of cartilage tissue in the vicinity of the scaffold: (a) staining with hematoxylin and eosin; (b) staining with alcian blue; (c) immunohistochemical reaction to type II collagen; (d) immunohistochemical reaction for type I collagen; vol. ×20