Research Article

Inhibition of Rheumatoid Arthritis Using Bark, Leaf, and Male Flower Extracts of Eucommia ulmoides

Figure 3

Photomicrographs of pathological lesions of ankle joints of treated and untreated rats. (a) Hematoxylin and eosin (H&E) staining of the ankle joints of collagen-induced arthritis (CIA) rats treated with various extracts (×200). Black arrow, pannus; red arrow, inflammatory cell infiltration; blue arrow, synovial hyperplasia. (b) Pathological scores of synovitis, pannus formation, degradation of cartilage, and bone were evaluated blindly (n = 8). and compared to the CIA group.
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