Figure 3. Characterization of fibrosis at the implant sites. (A) Masson’s Trychrome staining of control group (200×). (B) Masson’s Trychrome staining of ADSCs seeded scaffold (200×). (C) Masson’s Trychrome staining of MDSCs seeded scaffold (200×). (D) Masson’s Trychrome staining of control group (400×). (E) Masson’s Trychrome staining of ADSCs seeded scaffold (400×). (F) Masson’s Trychrome staining of MDSCs seeded scaffold (400×). Blue, collagen; black arrowheads, PGA scaffold.