Fig. 3From: PTH Derivative promotes wound healing via synergistic multicellular stimulating and exosomal activitiesa Four different treatments were used for the sections stained with Masson’s trichrome at 7 and 14 days after surgery, showing collagen deposition. b Images of H&E stained wound sections of the defects treated with different treatment therapies at 7 and 14 days after surgery. The black arrows indicate the neoepithelium. c Statistical analysis of the total length of neonatal epithelium at 7 and 14 daysBack to article page