Fig. 9. The inflammatory cells infiltrating the wound edge at day 3 post-surgery. Representative H&E staining images of the (A) Blank, (B) Vaseline gauze, (C) PVDF and (D) PVDF/NS25 groups. The pentagram indicates undamaged skin tissue, the circle indicates the wound area, and the triangle indicates the newly formed epidermis. The black arrows indicate the inflammatory cells. (E) Number of inflammatory cells infiltrating the subcutaneous areas of the wounds. The values are shown as the mean ± SD (n = 4). Scale bars: 100 μm.
