Fig. 5

Representative images of H&E staining in four groups. Red arrows stand for the margin of the wound bed. Black lines stand for the nonepithelialized area in the control and GelMa group (scale bar = 1 mm)
Representative images of H&E staining in four groups. Red arrows stand for the margin of the wound bed. Black lines stand for the nonepithelialized area in the control and GelMa group (scale bar = 1 mm)