Figure 1. Mice ovaries with Hematoxylin-Eosin (HE) staining. Red arrows are primary follicles; white arrows are secondary follicles; and black arrows are tertiary follicles. Magnification: 40×, scale bar: 100 μm (A); Magnification: 100×, scale bar: 50 μm (B); Magnification: 400×, scale bar: 25 μm (C).