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. 2020 Apr 3;8:196. doi: 10.3389/fcell.2020.00196

FIGURE 1.

FIGURE 1

Ovarian histology of geese during late embryonic and early post-hatching development. (A1–A8) Low-magnification photomicrograph of HE-stained ovaries from the E15, E26, P0, P4, P7, P14, P21, and P28 geese, respectively. C, ovarian cortex; M, ovarian medulla; Scale bar: 100 μm. (B1–B8) Higher-magnification photomicrograph of HE-stained ovaries from the E15, E26, P0, P4, P7, P14, P21, and P28 geese, respectively. ON, oocyte nest; PrF, primordial follicle; PF, primary follicle; gPF, growing primary follicle; SF, secondary follicle; O, primary oocyte; GC, granulosa cells; sTC, single-layered theca cells; dTC, double-layered theca cells; Scale bar: 50 μm.