Research Article

Comparative Studies of Different Extracts from Eucommia ulmoides Oliv. against Rheumatoid Arthritis in CIA Rats

Figure 2

Photomicrographs of pathological lesions of ankle joints of treated and untreated rats. (a) H&E staining of ankle joints of CIA rats treated with various extracts. Blue arrow, joint-space; brown arrow with black border, inflammatory cell infiltration; black arrow, synovial hyperplasia; yellow arrow, pannus. (b) Pathological scores of synovitis, pannus formation, degradation of cartilage, and bone were evaluated blindly. p < 0.05 and p < 0.01 compared with CIA group.
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