rectal papilla

例句：

1. 1.The doctor found a rectal papilla that was causing the patient discomfort.
   医生发现一个直肠乳头，导致患者不适。
2. 2.In some cases, rectal papilla can be removed surgically to relieve symptoms.
   在某些情况下，可以通过手术移除直肠乳头来缓解症状。
3. 3. The patient was advised to follow a healthy diet and avoid spicy foods, as they could irritate the rectal papilla.
   患者被建议遵循健康饮食，避免辛辣食物，因为它们可能会刺激直肠乳头。