[Retracted] Effects of Pulsed Radiofrequency on Nerve Repair and Expressions of GFAP and GDNF in Rats with Neuropathic Pain

Figure 2

HE staining. (a) The sciatic nerve exhibits no pathological changes but normal structure and orderly arranged nerve cells in group C. (b) The sciatic nerve fibers disappear, and apparent cavities are formed in group PS. (c) The aggregation of nerve fibers in the sciatic nerve tissues is visible in group PR, without obvious hemorrhage, edema, and cytomorphosis in the tissues.

(a)

(b)

(c)