Dolphins lack vocal cords, nevertheless creating sounds: a complicated system of whistles, squeaks, moans, trills, and clicks are produced by sphincter muscles inside the blowhole.

海豚没有声带，但却能发声：一个由口哨声、吱吱声、呻吟声、颤音和咔嚓声组成的复杂系统是由喷水孔内的括约肌产生的。

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H. Another minimally invasive procedure for the treatment of stress incontinence caused by intrinsic sphincter deficiency is periurethral injection.

治疗由于解剖引起的压力性尿失禁其他的微创方法如选择性的血管治疗。

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Methods The clinical data of 190 rectal cancer patients, undergone sphincter preserving procedures from Jan. 2004 to Jan. 2006, were analyzed retrospectively.

方法回顾性分析2004年1月至2006年1月间收治的190例直肠癌保肛手术患者的临床资料。

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Different control valves and rams can close in the well to various degrees (i.e. think of the difference between a sphincter and a guillotine).

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Frequent heartburn or acid reflux are symptoms of a condition called GERD, or gastroesophageal reflux disease, which occurs when a sphincter muscle in the lower esophagus stops working properly.

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