Fig. 5From: Hypoxic preconditioning of human urine-derived stem cell-laden small intestinal submucosa enhances wound healing potentialRepresentative images of H&E staining of the wounds. Black lines indicate the boundaries of wound healing areas. Black arrows indicate new skin appendages. Red rectangles represent the corresponding magnification images on the right column of images at each time point. Scale bar in the left column of images at each time point is 2000 μm. Scale bar in the right column of images at each time point is 50 μmBack to article page