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. 2018 Jan 31;9:20. doi: 10.1186/s13287-017-0745-5

Fig. 5.

Fig. 5

Histopathological examination and follicle counts in ovaries. a Control group. b POF group. c hPMSC treatment group. d Summary of follicle count from the ovaries of each group. The following different types of ovarian follicles were observed: primordial follicle (▲), primary follicle (▼), secondary follicle (■), atretic follicle (●). Magnification × 100. Scale bar: 200 μm. Data presented as mean ± SD. *P < 0.05, ***P < 0.001 indicates the statistically significant difference between the groups with and without pZP3 treatment. hPMSC human placenta mesenchymal stem cell, POF premature ovarian failure