anal lobe

例句：

1. 1. The doctor performed a biopsy on the patient's anal lobe to investigate any abnormalities.
   医生对患者的肛门瓣进行了活组织检查，以调查任何异常。
2. 2. During surgery, the surgeon removed the anal lobe for further examination.
   在手术中，外科医生切除了肛门瓣以便进一步检查。
3. 3. The patient was advised to avoid touching or scratching their anal lobe as it may be sensitive.
   患者被建议避免触摸或刮擦他们的肛门瓣，因为它可能很敏感。