suprapyloric lymph node

例句：

1. 1.The suprapyloric lymphnode is a crucial site for the immunesystem to detect and respond to infections.
   上皮淋巴结是免疫系统检测和响应感染的关键部位。
2. 2. During surgery, the suprapyloric lymph node is often removedto prevent infection.
   在手术中，通常会切除上皮淋巴结以防止感染。
3. 3. The suprapyloric lymph node plays animportant role in the body's immuneresponse to foreign bodies.
   上皮淋巴结在身体对异物的免疫反应中起着重要作用。