sphincter muscle :

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sphincter muscle


  • n  a ring of muscle that contracts to close an opening
News & Articles

  • The Journal of the American College of Surgeons Publishes on Major Advancement in Surgery for Gastroesophageal Reflux ...
    ST. PAUL, Minn.--(BUSINESS WIRE)--An estimated 1 in 5 U.S. adults suffer from Gastroesophageal Reflux Disease (GERD), a chronic, often progressive disease that can cause debilitating symptoms and in certain cases lead to esophageal cancer. GERD is caused by a weak esophageal sphincter muscle that opens abnormally allowing harmful gastric fluids from the stomach to reflux into the esophagus. Acid ...
    July 24, 2013 - Business Wire
  • Move like an octopus: Underwater propulsion from a 3-D printer
    Octopods, which are also known as octopuses or squid, generally move along the ocean floor with their eight arms, they flee by swimming head-first, in line with the principles of propulsion. When the mollusk does this, water is taken into its mantle, which is then closed by contracting sphincter muscles. The water is then squirted back out at a high pressure through a funnel. The resulting ...
    July 23, 2013 - Science Daily

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