Mean (SD) of the numerical density of the fibroblasts (×103 per mm3), volume densities of the collagen bundles (Vv collagen/dermis; %), vessels (Vv vessel/dermis; %), and hair follicles (Vv hair follicles/dermis; %), length density (mm/mm3), and mean diameter (μm) of vessels in the dermis of the leishmania induced skin wounds of rats treated with topical taurine gel, taurine injection, and the untreated group