Polyvinyl Alcohol Hydrogel Irradiated and Acetalized for Osteochondral Defect Repair: Mechanical, Chemical, and Histological Evaluation after Implantation in Rat Knees
Figure 7
Scanning electron microscopy of the PVA surface in the condyle. (a) Scanning electron microscopy of the PVA interface of the osteochodral defect. (b) Histological section of the condyle-*observe absence of PVA which was removed during the treating process for histological analyses. (c) HE Staining 25x.
