Fig. 3
From: Exposure to bisphenol A enhanced lung eosinophilia in adult male mice
Effects of BPA on pathological changes in the lungs. a and d No pathological changes in lungs treated with saline. b Slight proliferation of goblet cells that have mucus stained pink with PAS solution in the airway epithelium treated with OVA alone. c Marked proliferation of goblet cells and numerous inflammatory cells in the airway treated with OVA + BPA. e Slight infiltration of eosinophils and lymphocytes into the airway submucosa treated with OVA alone. f Marked infiltration of eosinophils and lymphocytes into connective tissue in the airway treated with OVA + BPA. a–c PAS stain; c–e HE stain; ×200