Figure 2

H&E stained sections from LPS-only group. (A) arrowhead, hemorrhage, arrow, terminal bronchiole (H&E, ×100); (B) arrowhead, thickening of the interalveolar septum, alveolar filling defects (H&E, ×100), (C) arrowhead, PNL infiltration, arrow, MNL infiltration (H&E, ×200), (D) arrowhead, vasodilation-congestion, arrow, terminal bronchiole (H&E, ×100).