severe combined immune deficiency: meaning, definition, pronunciation and examples
Very LowMedical/Scientific
Quick answer
What does “severe combined immune deficiency” mean?
A rare genetic disorder characterised by the almost complete absence of immune system function.
Audio
Pronunciation
Definition
Meaning and Definition
A rare genetic disorder characterised by the almost complete absence of immune system function.
A group of inherited conditions in which the immune system is profoundly compromised due to defects in both B-cell and T-cell development, leaving the individual vulnerable to severe, recurrent infections. Often abbreviated as SCID, it is sometimes colloquially referred to as 'bubble boy disease'.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences. British medical writing often retains the 'u' in 'haematopoietic' in related texts, but the term itself is identical.
Connotations
Identical clinical connotations in both variants. The cultural reference 'bubble boy' is slightly more common in US media.
Frequency
Equally low frequency in both regions, confined to medical contexts.
Grammar
How to Use “severe combined immune deficiency” in a Sentence
patient with severe combined immune deficiencydiagnosis of severe combined immune deficiencySCID (severe combined immune deficiency) is...Vocabulary
Collocations
Examples
Examples of “severe combined immune deficiency” in a Sentence
verb
British English
- The condition is not 'severed' or 'deficiencied'; it is a noun phrase only.
American English
- As above; no verbal forms.
adverb
British English
- Not applicable.
American English
- Not applicable.
adjective
British English
- The SCID patient
- A severe combined immune deficiency diagnosis
American English
- The SCID baby
- A severe combined immune deficiency phenotype
Usage
Meaning in Context
Business
Virtually never used.
Academic
Used in medical, genetics, and immunology research papers and textbooks.
Everyday
Extremely rare; might be encountered in news stories about medical advancements or patient stories.
Technical
Core terminology in clinical immunology, paediatrics, and haematology.
Vocabulary
Synonyms of “severe combined immune deficiency”
Strong
Neutral
Weak
Vocabulary
Antonyms of “severe combined immune deficiency”
Watch out
Common Mistakes When Using “severe combined immune deficiency”
- Misspelling 'immune' as 'immuno' or 'imune'. Using 'deficiency' in the plural form ('deficiencies'). Using it as a general adjective (e.g., 'a severe immune deficiency' is not necessarily SCID).
FAQ
Frequently Asked Questions
It is treatable, most effectively through a bone marrow or stem cell transplant from a compatible donor, which can reconstitute a functional immune system. Gene therapy is an emerging treatment for some forms.
It is very rare, affecting approximately 1 in 50,000 to 100,000 live births.
It refers to David Vetter, a famous American boy with SCID in the 1970s-80s who lived in a sterile plastic isolator ('bubble') to protect him from infection until a treatment could be attempted.
Typically, SCID is a paediatric condition diagnosed in infancy. Without successful treatment, affected infants rarely survive past early childhood.
A rare genetic disorder characterised by the almost complete absence of immune system function.
Severe combined immune deficiency is usually medical/scientific in register.
Severe combined immune deficiency: in British English it is pronounced /sɪˈvɪə kəmˈbaɪnd ɪˈmjuːn dɪˈfɪʃnsi/, and in American English it is pronounced /sɪˈvɪr kəmˈbaɪnd ɪˈmjun dɪˈfɪʃənsi/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “live in a bubble (in reference to the isolation required for some SCID patients)”
Learning
Memory Aids
Mnemonic
SCID: Severely Compromised Immune Defences.
Conceptual Metaphor
THE BODY IS A FORTRESS (with broken walls and no guards).
Practice
Quiz
What does the acronym SCID stand for?