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Helicobacter pylori

  1. pylorus
    The opening at the lower end of the stomach where it connects to the 十二指肠 shí'èr​zhǐ​cháng, surrounded by a muscle that controls the movement of food into the small intestine
  2. spiral
    spiral; helix; a curve similar to the patterns on a snail shell
  3. bacillus
    bacillus; any rod-shaped bacteria