Methods: The EGFR expression and structure changes of epididymal duct in initial segment and corpus of mouse epididymis before and 3 d, 7 d and 14 d after efferent duct ligation (EDL) were observed with the immunocytochemical method and image analysis.

• 方法:应用免疫组化和图像分析方法观察并比较EDL前、EDL后3d、7d、14d小鼠(n=7)附睾起始部和体部的结构和EGFR表达。