Meaning & use
involucrum
Last updated
A sheath of new bone that forms around a piece of dead bone (sequestrum), typically as a result of chronic bone infection such as osteomyelitis.
See it in a sentence
X-rays showed an involucrum forming around the infected section of the femur.
Surgeons removed the sequestrum but left the surrounding involucrum intact to support healing.
A note on using this word
The term comes from Latin 'involucrum,' meaning 'wrapper' or 'covering'; the related botanical term 'involucre' describes a ring of bracts beneath a flower head.
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