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. 2017 May 15;18:43. doi: 10.1186/s12863-017-0510-x

Fig. 3.

Fig. 3

Histological sections of Barbarine sheep ovaries. Photomicrographs of histological section of the FecX Barnon-carrier (a and c) or homozygous carrier ovaries (b and d–f). a,c, Evidence of follicular growth with the presence of secondary and tertiary follicles in normal ovaries. b, FecX Bar/FecX Bar ovaries densely packed with primordial follicles in the cortex with no visible secondary or tertiary follicles. d, e, f, Ovarian cortex of FecX Bar/FecX Barovaries with primordial follicles and numerous abnormal follicular structures: primary-like follicles exhibiting enlarged oocytes with thickened zona pellucida surrounded by disorganized granulosa cell layers, and oocyte-free follicular structures