Fig. 3: Diameter of the oocytes in primary follicles in Exoc1-G-cKO mice.

A Morphology of oocytes in primary follicles in Exoc1-G-cKO (Exoc1flox/flox::Gdf9+/Cre) ovaries compared to that of the control (Exoc1+/flox::Gdf9+/Cre). White line: measured diameter. Scale bar = 20 μm. B Diameter of oocytes in primordial and primary follicles in Exoc1-G-cKO mice. The diameter of oocytes in primordial follicles between control and Exoc1-G-cKO mice showed no significant differences. In contrast, the oocytes in primary follicles in Exoc1-G-cKO mice showed significantly shorter diameters than those in control mice. n = 3, Student’s t test.