Figure 7
Photomicrographs of hematotoxylin and eosin-stained sections of the lung in (LTC plus Gensing) group, 15 d p.i. (HE stain). (a) Moderate hyperplasia in the small bronchioles with a widening in the bronchiolar lumen; (b) Focal areas of interstitial pneumonitis (p) was manifested by an aggregation of mononuclear cells (arrowheads) replacing the interstitial tissues with hemosiderosis (h) and fibroblast cells (arrows) (All Bars = 50 μm).