Figure 5: A micrograph of the hind limb digit in the 44-day-old fetus showing the development of the claw and digital pad. (A) the complete digit structure; (B) details of the claw formation; and (C) details of the digital pad. CL: claw; DP: Distal Phalanx; MP: Middle Phalanx; DiP: Digital Pad; SL: Surface Layer; IL: Intermediate Layer; BL: Basal Layer; Epi: Epidermis; and Der: Dermis.