Fig. 4

Schematic diagram of the volar skin of C57BL/6 mice and SD rats. Schematic diagram showing the distribution pattern of ESGs and HFs in the volar skin of mouse forefoot, mouse hindfoot, rat forefoot, and rat hindfoot. The volar skin of mouse and rat feet consists of footpads and IFPs. The black dashed lines mark the border of IFPs, excluding footpads. Red dots indicate HFs, blue dots indicate ESGs, and black arrows indicate footpads