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汉语拼音：yōu mén

胃与十二指肠相连的部分，是胃下端的口儿，胃中的食物通过幽门进入十二指肠。

1. 玄妙之门。指精神寄托之所。

   汉 东方朔 《七谏·哀命》：“处玄舍之幽门兮，穴巖石而窟伏。”

2. 幽深的门户。

   南朝 宋 颜延之 《和谢监灵运》：“去国还故里，幽门树蓬藜。”

3. 胃与十二指肠相通的部分。中医为七冲门之一。

   《难经·四十四难》：“唇为飞门，齿为户门，会厌为吸门，胃为賁门，太仓下口为幽门，大肠小肠会为阑门，下极为魄门，故曰七冲门也。” 王九思 集注引 杨玄操 曰：“太仓者胃也，胃之下口在齐上三寸既幽隐之处，故曰幽门。”

• H. pylori infection is often longstanding.

  幽门螺杆菌的感染通常是长期存在的。

• Consequently, H. pylori is often killed off with antibiotics as a precaution, even if the patient does not have any complaints.

  因此，H。幽门螺杆菌是经常被用抗生素作为预防措施来杀除，即使病人没有任何不适。

• Over the millennia, the long coevolution of H. pylori and H. sapiens has put intense selective pressure on both species.

  幽门螺旋菌和现代智人几千年来的共同演化，对两个物种都带来激烈的天择压力。

• From there, the food passes into the small intestine through the pylorus, a sphincter muscle that controls the flow of food.

  从那里，食物通过一个控制食物流动由括约肌控制的幽门进入小肠。

• Two of the newly discovered flavonoids and one of the known compounds stood out for their ability to counter H. pylori.

  两种新发现的黄酮类物质及一种已知化合物有突出的抗幽门杆菌作用。

• Helicobacter pylori had been found to be closely associated with gastritis and peptic ulcers.

  研究显示幽门曲状杆菌与骨炎及消化性溃疡有密切的关系。

• H. pylori may also be a cause or co-factor for gastric cancer, as its presence increases the risk of developing stomach tumours.

  幽门螺杆菌同样是胃癌的病因或致病因子。幽门螺杆菌感染者发生胃癌的风险升高。

• The valve-like constriction of the intestine immediately behind the stomach, controlling the flow of food from the stomach.

  幽门括约肌在胃后端且紧接著小肠的似瓣膜紧缩肌肉，可控制食物从胃部流出。

• Smoking and alcohol-drinking did not effect the HP infection of persons.

  而吸烟和饮酒不影响幽门螺旋菌对人体之感染。