Plexus vertebralis

例句：

1. 1. The patient's condition worsened after the surgery.
   手术后，患者的病情恶化了。
2. 2. The doctor advised him to rest for a week before returning to work.
   医生建议他休息一周后再返回工作岗位。
3. 3. The researcher found that the Plexus vertebralis plays a crucial role in the body's immune system.
   研究者发现，椎间盘在人体免疫系统中起着至关重要的作用。