In march , scientists at wake forest university reported that they had created artificial urethras in the lab and successfully transplanted them into five boys who had tissue damage .

就在今年三月，维克森林大学（wakeforestuniversity）报告说他们在实验室制造出了人造尿道，并成功将它们移植到了五名患有组织损伤的男孩体内。