Meaning of sequestrum in English:


Pronunciation /sɪˈkwɛstrəm/

nounplural noun sequestra/sɪˈkwɛstrə/

  • A piece of dead bone tissue formed within a diseased or injured bone, typically in chronic osteomyelitis.

    ‘Although bone sequestra and abscess are treated surgically, further extension of the operation may be counterproductive because it may expose healthy bone to the infection.’
    • ‘Despite 77 courses of antibiotics, these 12 patients required an additional 17 surgical debridements to rid the pelvis of the bone sequestrum.’
    • ‘The radiographs may reveal osteolysis, periosteal reaction and sequestra.’
    • ‘Two of these patients underwent drilling of the lesions, one underwent internal fixation, and one had a loose body of the osteochondritis sequestrum removed.’


Mid 19th century modern Latin, neuter of Latin sequester ‘standing apart’.