sequestrum: meaning, definition, pronunciation and examples
Very RareSpecialized / Technical (Medical)
Quick answer
What does “sequestrum” mean?
A piece of dead bone tissue that has become separated from healthy bone during a disease process, typically osteomyelitis.
Audio
Pronunciation
Definition
Meaning and Definition
A piece of dead bone tissue that has become separated from healthy bone during a disease process, typically osteomyelitis.
In a broader medical sense, a piece of dead tissue that has separated from living tissue, forming a foreign body.
Dialectal Variation
British vs American Usage
Differences
No significant spelling or meaning differences. Both use the Latin-origin term identically.
Connotations
Purely medical/clinical. Carries the same technical gravity in both varieties.
Frequency
Identically very rare, confined to medical literature and clinical discussions.
Grammar
How to Use “sequestrum” in a Sentence
[The] sequestrum + [verb] (e.g., forms, separates, appears)[The] surgeon removed the sequestrumA sequestrum was identified on + [imaging modality] (e.g., X-ray, CT)Vocabulary
Collocations
Examples
Examples of “sequestrum” in a Sentence
verb
British English
- N/A. The verb form is 'sequester'. A sequestrum is a noun.
American English
- N/A. The verb form is 'sequester'. A sequestrum is a noun.
adverb
British English
- N/A. No standard adverbial form exists.
American English
- N/A. No standard adverbial form exists.
adjective
British English
- The patient had several sequestral cavities visible on the scan.
American English
- The imaging revealed sequestral changes consistent with chronic infection.
Usage
Meaning in Context
Business
Never used.
Academic
Used in medical research papers, clinical textbooks, and case reports on bone infections or complications of surgery.
Everyday
Virtually never used. Would be unknown to non-medical professionals.
Technical
Core term in orthopedics, radiology, and oral surgery when discussing chronic osteomyelitis or complications of fractures.
Vocabulary
Synonyms of “sequestrum”
Strong
Neutral
Weak
Vocabulary
Antonyms of “sequestrum”
Watch out
Common Mistakes When Using “sequestrum”
- Mispronunciation (e.g., /ˈsiːkwɛstrəm/).
- Using it as a verb (to sequestrum is incorrect; the verb is 'to sequester').
- Confusing it with 'sequestration' (which has legal/environmental meanings).
FAQ
Frequently Asked Questions
No, it is a highly specialized medical term unknown to the general public and rarely encountered outside specific healthcare fields.
'Sequestrum' is a noun for a piece of dead tissue. 'Sequestration' is a process (legal, environmental, or medical) of isolating or removing something.
Typically, no. A sequestrum is avascular (has no blood supply) and often harbours bacteria. It usually requires surgical removal for healing to occur.
The plural is 'sequestra', following its Latin neuter noun origin.
A piece of dead bone tissue that has become separated from healthy bone during a disease process, typically osteomyelitis.
Sequestrum is usually specialized / technical (medical) in register.
Sequestrum: in British English it is pronounced /sɪˈkwɛstrəm/, and in American English it is pronounced /səˈkwɛstrəm/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “None. The term is purely technical.”
Learning
Memory Aids
Mnemonic
Think of a QUEST to REMove a dead piece of bone: SEQUESTRUM.
Conceptual Metaphor
Often described as an 'island' of dead bone within a 'sea' of living tissue or inflammation.
Practice
Quiz
What is a 'sequestrum'?