Fig. 1

Photomicrograph of Equus asinus skin showing normal histological structure of the abdominal region with serrated dermo-epidermal junction (black arrowhead) in (View A), the back region with melanocytes with a low number (red arrowhead) in (View B), the limb region with its flattened dermo-epidermal junction (black arrowhead) in (View C), the neck region with melanocytes and a low number (red arrowhead) in (View D), and the thorax region with melanocytes with a low number (red arrowhead) in (View E). Abbreviations: epidermis (Ep), dermis (DE), papillary dermis (P), reticular dermis (R), stratum corneum (F), stratum granulosum (M), stratum spinosum (N), and stratum basale (R). Masson trichrome stain; bar indicates magnification