Papillae renales

例句：

1. 1.The pathologist examined the kidneys for any signs of inflammation or damage.
   病理学家检查了肾脏，寻找任何炎症或损害的迹象。
2. 2. The patient had undergone a biopsy to determine the cause of their symptoms.
   患者接受了活检以确定他们症状的原因。
3. 3. The doctors discovered that the patient's kidneys were severely damaged due to prolonged exposure to toxins.
   医生们发现，由于长期暴露于毒素中，患者的肾脏受到了严重损害。