Research Article

The Isosteroid Alkaloid Imperialine from Bulbs of Fritillaria cirrhosa Mitigates Pulmonary Functional and Structural Impairment and Suppresses Inflammatory Response in a COPD-Like Rat Model

Figure 6

Typical H & E staining images. Histological examination of lung tissues of rats in different groups (magnification: 40x, 100x, and 400x).