#stenosis__stricture  abnormal narrowing of a bodily canal or passageway
  supertype:  pathology  any deviation from a healthy or normal condition
  subtype:  aortic_stenosis  abnormal narrowing of the aortic valve
  subtype:  enterostenosis  abnormal narrowing of the intestine
  subtype:  Laryngostenosis  abnormal narrowing of the larynx
  subtype:  pulmonary_stenosis  abnormal narrowing of the opening into the pulmonary artery from the right ventricle
  subtype:  pyloric_stenosis  narrowing of the pyloric sphincter that blocks the passage of food from the stomach into the duodenum
  subtype:  rhinostenosis__rhinostenosi  narrowing of the passages in the nasal cavities
  subtype:  mitral_stenosis__mitral_valve_stenosis  obstruction or narrowing of the mitral valve (as by scarring from rheumatic fever)
  subtype:  ureterostenosis__ureterostenosi  stenosis of the ureter

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