名词
中文翻译：直肠瓣
同义词：
['rectal flap', 'rectal sphincter例句：1. The surgeon performed a rectal valve replacement surgery on the patient.（外科医生为患者进行了直肠瓣膜置换手术。）']
例句：
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1. The surgeon performed a rectal valve replacement surgery on the patient.
外科医生为患者进行了直肠瓣膜置换手术。
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2.During childbirth, the rectal valve is crucial for maintaining the integrity of the pelvic floor.
分娩期间，直肠瓣对于维护骨盆底的完整性至关重要。
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3. The patient was advised to maintain good hygiene and avoid straining during bowel movements to prevent damage to the rectal valve.
患者被建议保持良好的卫生习惯，避免在排便时用力，以预防直肠瓣受损。