Fig. 2
Optical microscope examination. a: Control group × 400 μm.b: Control group × 100 μm. c: 2.81 μg/ml FZM × 400 μm.d: 2.81 μg/ml FZM × 100 μm.e: 5.63 μg/ml FZM × 400 μm. f: 5.63 μg/ml FZM × 100 μm.g: 11.3 μg/ml FZM × 400 μm.H:11.3 μg/ml FZM × 100 μm.i: Positive group × 400 μm.j: Positive group × 100 μm