Fig. 2

Effects of budesonide and the herbal extracts on collagen deposition and goblet cell hyperplasia. (a) Collagen fiber area in Masson’s trichrome-stained sections. (b) The number of the goblet cells in PAS-stained lung sections. (c) The area of the goblet cells in PAS-stained lung sections. (d) Representative photomicrographs of Masson’s trichrome-stained sections from each group (×400). (e) Representative photomicrographs of PAS-stained lung sections from each group (×400). Mean ± SD, n = 10. ^** P < 0.01 compared to normal control group; ^# P < 0.05 and ^## P < 0.01 compared to asthma model group; ^▲ P < 0.05 compared to budesonide group