Fig. 7From: Skin histopathological responses of Oreochromis niloticus (Nile tilapia) to transportation in water with and without saltScanning photographs for skin tissue from O.niloticus control group showed (a): Regular arranged pattern of surface squamous cells (black arrows) with minor depression indicating the opening of goblet (mucous) cells (red dotted arrows), (b&c): clearly the opening of goblet (mucous) cells (red dotted arrows) and the flat surface of squamous cells (white arrow). The scale bar was indicated under picturesBack to article page