Microphotographs of 16 dpc mouse ovaries. (A) Section stained with hematoxylin and eosin for identification of the cell distributions in the ovary. IHC localizations for c-kit (B), SCF (C), and inhibin-α (D) were also carried out in the serial sections. Arrows, oogonia. SCF, stem cell factor; oe, ovarian epithelium. Bar = 50 μm.