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involucrum

An involucrum is a layer of new bone growth formed outside existing bone, and it is seen in pyogenic osteomyelitis. Its formation follows a specific sequence: pus accumulating within the bone strips the periosteum away from the underlying cortex, and the lifted periosteum then lays down new bone around the infected segment. The result is a sheath of reactive bone enclosing the original cortex. Because it arises only as a response to infection, the involucrum is a pathological rather than a normal skeletal feature, and its presence is a marker of the process that produced it. It is classified within the skeletal system as a part of an organ rather than as a bone in its own right.

A layer of new bone growth outside existing bone seen in pyogenic osteomyelitis. It results from the stripping off of the periosteum by the accumulation of pus within the bone, and new bone growing from the periosteum.

On this page
Tipo Bone
Sistema corporal Esquelético
Estructura principal organ part

Frequently Asked Questions

What is the involucrum?

A layer of new bone growth outside existing bone seen in pyogenic osteomyelitis. It results from the stripping off of the periosteum by the accumulation of pus within the bone, and new bone growing from the periosteum.

What body system is the involucrum part of?

The involucrum is part of the Esquelético.

References

  1. UBERON — UBERON:0008956 Cross-species anatomy ontology (EMBL-EBI Ontology Lookup Service)
  2. Wikipedia — involucrum Encyclopedia article (verified cross-reference)

Aviso médico

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Educational Disclaimer

This content is for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider for medical decisions.

Data sources: Terminologia Anatomica, Foundational Model of Anatomy, Wikidata.