名词
中文翻译：外部括约肌
同义词：
['external sphincter', 'external anal sphincter例句：1. The obturatorexternus is responsible for the closureof the anal opening during defecation.（外部括约肌负责在排便时关闭肛门开口。）2. During childbirth', 'the obturator externus playsa crucial role in maintaining the integrity ofthe birth canal.（分娩期间，外部括约肌在保持产道完整性方面起着至关重要的作用。）3. Injuries tothe obturator externus canlead to significant complications during surgery.（外部括约肌受伤可能导致手术过程中出现严重并发症。）']
例句：
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1. The obturatorexternus is responsible for the closureof the anal opening during defecation.
外部括约肌负责在排便时关闭肛门开口。
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2. During childbirth,the obturator externus playsa crucial role in maintaining the integrity ofthe birth canal.
分娩期间，外部括约肌在保持产道完整性方面起着至关重要的作用。
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3. Injuries tothe obturator externus canlead to significant complications during surgery.
外部括约肌受伤可能导致手术过程中出现严重并发症。