Seminiferous duct between ureter and bladder to in the middle of go row, dilate of its extreme expand forms abdomen of seminiferous duct crock, be in charge of with seminal vesicle finally confluent.

• 输精管于输尿管与膀胱之间向正中走行，其末端膨大扩张形成输精管壶腹，最后与精囊管相汇合。