• A fragment of dead bone separated from healthy bone as a result of injury or disease.
  • A necrosed section of bone (or cartilage) which separates itself from the surrounding living bone (or cartilage).
  • A portion of dead bone which becomes separated from the sound portion, as in necrosis.
  • A <xref>fragment</xref> of <xref>bone</xref> or other dead <xref>tissue</xref> that has separated during <xref>necrosis</xref>
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