Establishment of a Rat Adjuvant Arthritis-Interstitial Lung Disease Model

Figure 2

Hematoxylin and eosin stained sections of left lung tissue showing pulmonary involvement 21 days after adjuvant injection. Right panels are magnified images of the left panels. (a) Control; (b) FCA-treated rat. The alveolar walls are thickened and the structure is generally chaotic. Arrows indicate typical examples of eosinophil and granulocyte infiltration; examples of lymphocyte infiltration are indicated by thunder icons.

(a)

(b)