[Retracted] Preventive Electroacupuncture Alleviates Oxidative Stress and Inflammation via Keap1/Nrf2/HO-1 Pathway in Rats with Cyclophosphamide-Induced Premature Ovarian Insufficiency

Figure 4

The ultrastructure of ovarian granulosa cells was observed under transmission electron microscope (×2000/5000 magnification). (a) Control group, (b) model group, (c) sham group, (d) EA group, and (e) GnRHa group. N: nucleus; M: mitochondria.

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