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Figure 1 | Reproductive Biology and Endocrinology

Figure 1

From: Expression of miRNAs in ovine fetal gonads: potential role in gonadal differentiation

Figure 1

Tissue sections of GD42 and GD75 ovaries and testes stained with hematoxylin and eosin. A) GD42 ovary illustrating a thin ovarian cortex containing oogonia and precursor granulosa cells. Arrow in insert points to an oogonium. B) GD75 ovary illustrating a thickened cortex containing ovigerous cords. Arrow in insert depicts oocyte within an ovigerous cord. C) GD42 testis demonstrating presence of testicular cords containing gonocytes and Sertoli cells. Arrow in insert points to a gonocyte; arrowhead points to a Sertoli cell nucleus. D) GD 75 testis revealing prominent testicular cords. Arrow in insert points to a gonocyte; arrowhead points to an interstitial (Leydig) cell. All bars are 20 μm.

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