Special Stain
Figure 1: Photomicrograph of normal back skin of one of the experimental rats showing the cutaneous layers and their contents. Epidermis (E), collagenous bundles (Cb), hair shaft (hs), Hair follicle (hf), sebaceous gland (S), adipose tissue (Ad), blood vessels (bv), nerves (N), cutaneous muscle (MS) and subcutaneous tissue (sub). Magnification: X40. Stain: MS. Bar: 50 µm.