名词
中文翻译：尿道瓣膜
同义词：
['urethral valve', 'urethral sphincter', 'urethral flap']
例句：
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1. Urethral valves are the primary mechanism for controlling urine flow in the male genital system.
尿道瓣膜是男性生殖系统控制尿液流动的主要机制。
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2.The urethral valve is a small flap that prevents urine from flowing back into the bladder during urination.
尿道瓣膜是一个小的瓣膜，在排尿时防止尿液回流到膀胱。
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3. A urethral valve is often found in the area of the prostate gland, where ithelps to regulate the flow of urine and prevent infection.
尿道瓣膜通常位于前列腺区域，有助于调节尿液流动并防止感染。