Anti-Inflammatory Effects of p-Coumaric Acid, a Natural Compound of Oldenlandia diffusa, on Arthritis Model Rats

Figure 3

Morphological changes of joints in each group, from the 1st day to the 42nd day. (a) Posterior limb of a rat in the normal group. (b) Posterior limb of a rat in the model group, on the 14th day. (c) Posterior limb of a rat in the model group, on the 28th day. (d) Posterior limb of a rat in the model group, on the 42nd day. (e) Posterior limb of a rat treated with p-CA, on the 28th day. (f) Posterior limb of a rat treated with p-CA, on the 42nd day. (g) Posterior limb of a rat treated with OD decoction, on the 28th day. (h) Posterior limb of a rat treated with OD decoction, on the 42nd day.

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