Fig. 4

Microscopic photographs of histopathological evaluation of wound healing in the negative control, gel base and F.vaillantii gel extract administered. Skin sections display H& E stained in epidermis and dermis. The original magnification was 400×. a) Negative control: 21-old-wound tissue; b) Gel base group: 21-old-wound tissue treated with gel base; c),d),e) 21-old-wound tissue treated with F.vaillantii gel extract