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laceration (las″әr-a´shәn)   the act of tearing.
  a wound produced by the tearing of body tissue, as distinguished from a cut or incision. External lacerations may be small or large and may be caused in many ways, such as a blow from a blunt instrument, a fall against a rough surface, or an accident with machinery. Lacerations within the body occur when an organ is compressed or moved out of place by an external or internal force.




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