Fig. 6From: Skin histopathological responses of Oreochromis niloticus (Nile tilapia) to transportation in water with and without saltPhotomicrograph of skin tissue section of O. niloticus of PT + S group (A magnified in B (A, selected square)) showed normal epidermal cell thickening and organization, except more or less goblet (mucous) cells number (arrowheads), normal epidermal basement (zigzag arrows) and more or less positivity of PAS reaction of dermal connective tissue (stars). PAS stain. The bar size was indicated under picturesBack to article page