Figure 3
Histological appearance ofpallidmouse lungs 7 days following bleomycin challenge. (A) Histologic section from the lung of a pallid mouse treated with saline showing a normal parenchyma. Lung sections of pallid mice at 7 days after bleomycin showing appreciable emphysema (B) and spotty areas of inflammatory cell infiltration without fibrosis (C). (A) and (B): Hematoxylin-eosin stain, scale bar represents 400 μm. (C): Masson's trichrome stain, scale bar represents 100 μm.