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Avulsion in general refers to a tearing away. Specifically, it can refer to:

  • Avulsion fracture, when a fragment of bone tears away from the main mass of bone as a result of physical trauma
  • Avulsion injury, in which a body structure is detached from its normal point of insertion, either torn away by trauma or cut by surgery
  • Avulsion (legal term), the sudden loss of land by the action of water
  • Avulsion (river), abandonment of an old river channel and the creation of a new one