Research Article

Pharmacological Effect of Caulophyllum robustum on Collagen-Induced Arthritis and Regulation of Nitric Oxide, NF-κB, and Proinflammatory Cytokines In Vivo and In Vitro

Figure 4

Influence of CRME on CIA-induced histopathological changes in the left hind limbs and immune organs of CIA-induced arthritic mice. A number of expanded vascular arteries and veins (arrows ↓) are indicated in the red boxes. HE stain, scale bars = 400 nd.