Research Article

Modulating Effects of the Hydroethanolic Leaf Extract of Persicaria lanigera R. Br. Soják (Polygonaceae) against Acute Inflammation

Figure 4

Histopathological assessment of PLE on zymosan-induced acute knee joint arthritis in Sprague–Dawley rats. Sections were made from the knee joint of the right hind limbs and stained using H&E stain. Naïve control (a), zymosan-treated (acute knee joint arthritic) control (b), aspirin 100 mg·kg−1 (c), PLE 100 mg·kg−1 (d), PLE 300 mg·kg−1 (e), and PLE 600 mg·kg−1 (f), respectively. The arrow indicates the degree of synovitis in the knee joint cavity.
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