Research Article

Astragalus membranaceus and Salvia miltiorrhiza Ameliorate Lipopolysaccharide-Induced Acute Lung Injury in Rats by Regulating the Toll-Like Receptor 4/Nuclear Factor-Kappa B Signaling Pathway

Figure 3

Effect of AM/SM on lung histological examination (H&E-stain, magnification ×200). Sham group exhibiting a normal structure of lung tissue; LPS group showing significant pathological changes, with pulmonary congestion, interstitial edema, alveolar wall thickness, and mass inflammatory cell infiltration; Dex group, herb I group, and herb II group showing a lower inflammatory cell infiltration and thickening of the alveolar wall compared to LPS group.