sequestrum

American  

[si-kwes-truhm] / sɪˈkwɛs trəm /

noun

Pathology.

plural

sequestra

1. a fragment of bone that has become necrotic as a result of disease or injury and has separated from the normal bone structure.

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sequestrum British  

/ sɪˈkwɛstrəm /

noun

1. pathol a detached piece of necrotic bone that often migrates to a wound, abscess, etc See sequester

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Usage

What is a sequestrum? A sequestrum is a fragment of dead bone or other tissue that has separated from healthy tissue as a result of injury or disease.The proper plural of sequestrum is sequestra.Sequestra often end up in a wound or abscess (a collection of pus). The surgical procedure involving the removal of a sequestrum is called a sequestrectomy.Sequestra can occur in many different areas of the body, such as the arms, legs, feet, spine, and hips.Example: The sequestrum is a bone fragment that was apparently chipped during a particularly forceful high-five.

Other Word Forms

• sequestral adjective

Etymology

Origin of sequestrum

1825–35; < New Latin; Medieval Latin: sequestrated property, derivative of Latin sequester; sequester

Example Sentences

Sequestration also refers to the government seizing the goods of citizens and can even identify the formation of a sequestrum, a detached piece of bone lying within a body cavity caused by necrosis.

From Time • Feb. 11, 2013

The sequestrum that forms includes, as a rule, only the outer table, but in some cases the whole thickness of the bone undergoes necrosis.

From Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. by Miles, Alexander

The ankle-joint is ankylosed, and there is a large sequestrum in the calcaneus.

From Manual of Surgery Volume First: General Surgery. Sixth Edition. by Thomson, Alexis

In cases attended with suppuration, the swelling is incised and drained, and if there is a sequestrum, it must be removed.

From Manual of Surgery Volume First: General Surgery. Sixth Edition. by Thomson, Alexis

The sequestrum is slowly thrown off, and when separated is circular like a coin and presents worm-eaten edges.

From Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. by Miles, Alexander