Conclusion AQP9 expression is found in rat epididymides. The expression levels of AQP9 in rat capita and caudae epididymides show the reabsorption capacity in different segments of epididymides.

• 结论:12周龄大鼠附睾头部AQP9表达强于尾部,反映附睾不同部位对水的重吸收功能的差异。