Sphincter

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Sphincter Meaning and Definition in Dictionary

Definitions from Wordnet 2.0


  • a ring of muscle that contracts to close an opening

Definitions from Wiktionary


  • a ring of muscle that contracts to close an opening

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Wikipedia Meaning and Definition on 'Sphincter'


  • Sphincter: A sphincter is an anatomical structure, a circular muscle that normally maintains constriction of a natural body passage or orifice and ...
  • Sphincter ani externus muscle: The sphincter ani externus (external anal sphincter) is a flat plane of muscular fibers, elliptical in shape and intimately adherent to the ...
  • Urethral sphincter: The term urethral sphincter refers to one of two muscle s used to control the exit of urine in the urinary bladder through the urethra . ...
  • Iris sphincter muscle: The iris sphincter muscle (pupillary sphincter, pupillary constrictor, circular muscle of iris, circular fibers) is a muscle in the part ...
  • External sphincter muscle of urethra: External sphincter muscle of urethra can refer to: external sphincter muscle of male urethra external sphincter muscle of female urethra ...
  • Sphincter ani internus muscle: The sphincter ani internus (or internal anal sphincter, IAS) is a muscular ring that surrounds about 2.5-4.0 cm of the anal canal ; its ...
  • Sphincter of ampulla: The sphincter of ampulla or sphincter of Oddi is a muscular valve that controls the flow of digestive juices (bile and pancreatic juice) ...
  • Sphincter ani: Sphincter ani can refer to: Sphincter ani externus muscle Sphincter ani internus muscle -
  • Precapillary sphincter: A precapillary sphincter is a band of smooth muscle that adjusts blood flow into capillaries mainly in the mesenteric microcirculation ...

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Sphincter Sample Sentences in News


  • New Study Shows Magnetic Implant is an Important Break-Through in the Treatment of Reflux Disease
    Torax Medical announced today the publication of new data comparing the LINX® Magnetic Sphincter Augmentation Device and laparoscopic fundoplication surgery in 249 patients. Data from this study significantly adds to the growing body of evidence that the LINX device is a safe and effective procedure for patients suffering from gastro-esophageal reflux disease . Read more on this news related to 'Sphincter'
  • Avoiding heartburn
    Heartburn results from a backup of acid-containing stomach contents into your oesophagus. Here are tips for prevention: Eat smaller meals: Too much food expands your stomach and puts pressure on a band of muscle (the lower oesophageal sphincter) that helps keep food and acid from backing up into your oesophagus. Avoid alcohol, fatty foods, chocolate,...  [Read Mo Read more on this news related to 'Sphincter'
  • HealthFix – Esophageal Cancer – Signs and Prognosis
    Symptoms of esophageal cancer - Difficulty swallowing (dysphagia) - Unexplained weight loss - Chest pain, pressure, or burning sensation - Worsening indigestion or heartburn - Coughing and hoarseness Risk factors - Heavy alcohol intake - Esophageal sphincter disorders - Drinking very hot liquids - Having bile reflux - Having gastroesophageal reflux disease - Eatin Read more on this news related to 'Sphincter'

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