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Bolus can refer to


  • Bolus (medicine), the administration of a drug, medication or other substance in the form of a single, large dose
  • Bolus (radiation therapy), a tissue equivalent substance used in radiation therapy
  • Bolus (digestion), a ball-shaped mass moving through the digestive tract
  • Bolus tracking, technique used in computed tomography imaging, to visualise vessels more clearly
  • Triple bolus test, a medical diagnostic procedure used to assess pituitary function



  • Bolus, or Baulus, an Anatolian village on the site of ancient Berissa
  • Bolus, Iran, a village in Ardabil Province, Iran


See also[edit]