ureteric bud

例句：

1. 1.The surgeon removed the ureteric bud to relieve the patient's pain.
   外科医生切除了输尿管芽以缓解病人的疼痛。
2. 2. Ureteric buds are responsible for the formation of new blood vessels in the kidneys.
   输尿管芽负责肾脏中新血管的形成。
3. 3. The study found that ureteric buds play a crucial role in kidney development.
   研究发现输尿管芽在肾脏发育中起着至关重要的作用。