sequestrum
Americannoun
noun
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.
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Etymology
Origin of sequestrum
1825–35; < New Latin; Medieval Latin: sequestrated property, derivative of Latin sequester; see sequester
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
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
Towards the posterior aspect of the medial condyle there is a wedge-shaped sequestrum, of which the surface exposed to the joint is polished like porcelain.
From Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. by Miles, Alexander
The term exfoliation is sometimes employed to indicate the separation or throwing off of a superficial sequestrum.
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
The sequestrum is separated from the living bone by a clear zone which corresponds to the layer of granulations lining the cavity in which it lies.
From Manual of Surgery Volume First: General Surgery. Sixth Edition. by Thomson, Alexis
Syphilitic sequestra are heavier and denser than normal bone, because sclerosis usually precedes death of the bone.
From Manual of Surgery Volume First: General Surgery. Sixth Edition. by Thomson, Alexis
Healing is often delayed by the separation of sequestra, which takes place slowly, and union is attended with excessive formation of callus.
From Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. by Miles, Alexander
Small irregular sequestra are occasionally found within the abscess cavity.
From Manual of Surgery Volume First: General Surgery. Sixth Edition. by Thomson, Alexis
The trabecular framework of the bone undergoes erosion and absorption—rarefying ostitis—and either disappears altogether or only irregular fragments or sequestra of microscopic dimensions remain in the area affected.
From Manual of Surgery Volume First: General Surgery. Sixth Edition. by Thomson, Alexis
In exceptional cases, portions of the glenoid or humerus are found separated as sequestra, or the disease involves parts outside the joint, such as the acromion or coracoid process.
From Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. by Miles, Alexander
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
