Fig. 2From: Feikang granules ameliorate pulmonary inflammation in the rat model of chronic obstructive pulmonary disease via TLR2/4-mediated NF-κB pathwayPhotographs of HE-stained lung tissues under an optical microscope (× 200). a control group; b COPD model group; c 40.44 g/kg Feikang granules treated group; d dexamethasone treated group. e Summary results of relative area of alveolar cavity in COPD and Feikang granules or dexamethasone treated rats (of control group)Back to article page