Figure 6.

(A) Photograph of surgical procedure. The scaffolds were planted in the incision of 1 cm as shown in dotted box. (B) Picture of 1 week post-implanted regenerated muscle tissue. The scaffolds were stained into blue during H&E staining (left: random porous PU (14 wt %) scaffold, right: aligned porous PU14 scaffold). (C): H&E picture of 2 weeks post-implanted regenerated muscle tissue. Left: random porous PU (14 wt %) scaffold, middle: aligned porous PU14 scaffold, right: healthy muscle soft tissue