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Morphological changes in adult epididymal ducts of three Ptk7 conditional knockouts (RnCre-cKO, HoxCre-cKO, and SmCre-cKO). (A) Representative images of epididymal ducts in the initial segment (IS) or caput of three Ptk7 conditional knockouts and corresponding controls. (B) Statistical analysis of duct diameter and epithelial cell number per cross-section in three Ptk7 conditional knockouts and controls. n ≥ 3. Data are presented as mean ± SEM. ** p<0.01.
