sphincter

IPA: sfˈɪŋktɝ

noun

  • (anatomy) A ringlike band of muscle that surrounds a bodily opening (such as the anus or the openings of the stomach), constricting and relaxing as required for normal physiological functioning.
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Examples of "sphincter" in Sentences

  • Internal sphincter muscle of urethra.
  • External sphincter muscle of male urethra.
  • In most people, the anal sphincter is weak.
  • External sphincter muscle of female urethra.
  • The 'sphincter pupillae' constricts the iris.
  • And an artificial sphincter is under development.
  • Sphincter of Oddi dysfunction is a rare condition.
  • This is due to neuropathy of the bladder sphincter.
  • Iridoplegia is the paralysis of the sphincter of the iris.
  • Endoanal ultrasound evaluates the structure of the anal sphincters.

Related Links

synonyms for sphincterdescribing words for sphincter
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