sequestrum

/sɪˈkwɛstrəm/
noun
  1. A piece of dead bone that has separated from healthy bone, often as a result of infection or injury.
    • A sequestrum can form after a severe bone infection.
    • The X-ray showed a sequestrum in the patient's leg bone.
    • The surgeon removed the sequestrum to prevent further infection.
Synonyms
What does "sequestrum" mean? | whatsthatwordmean | whatsthatwordmean