enkephalin: meaning, definition, pronunciation and examples
Very LowTechnical/Scientific
Quick answer
What does “enkephalin” mean?
A short protein (peptide) produced in the brain, acting as an endogenous opioid neurotransmitter to reduce pain perception and influence mood.
Audio
Pronunciation
Definition
Meaning and Definition
A short protein (peptide) produced in the brain, acting as an endogenous opioid neurotransmitter to reduce pain perception and influence mood.
A type of endogenous opioid peptide found in the central nervous system, involved in pain regulation, stress response, and the modulation of reward and motivation pathways.
Dialectal Variation
British vs American Usage
Differences
No orthographic, phonetic, or usage differences; it is a standardised international scientific term.
Connotations
None beyond its strict scientific definition.
Frequency
Exclusively used in specialised academic, medical, and research contexts in both regions.
Grammar
How to Use “enkephalin” in a Sentence
The production of enkephalinenkephalin binds torelease of enkephalinVocabulary
Collocations
Examples
Examples of “enkephalin” in a Sentence
adjective
British English
- enkephalinergic neurons
American English
- enkephalin-containing cells
Usage
Meaning in Context
Academic
A primary term in neuroscience papers discussing endogenous pain control mechanisms.
Technical
Used in pharmacology, neurobiology, and anesthesiology to describe specific opioid peptides.
Vocabulary
Synonyms of “enkephalin”
Neutral
Weak
Vocabulary
Antonyms of “enkephalin”
Watch out
Common Mistakes When Using “enkephalin”
- Misspelling as 'encephalin' (which would relate to the brain 'encephalon' but is incorrect).
- Using it as a general term for any painkiller.
FAQ
Frequently Asked Questions
No, they are both endogenous opioids, but enkephalins are shorter peptides with different precursor molecules and receptor affinities.
Not directly, as it breaks down quickly in the body. Research focuses on developing stable analogues or drugs that inhibit its degradation.
Primarily in the central nervous system (brain and spinal cord), and to a lesser extent in the adrenal medulla and gastrointestinal tract.
Stress, pain, certain forms of exercise, and other stimuli that activate the body's internal analgesic systems.
A short protein (peptide) produced in the brain, acting as an endogenous opioid neurotransmitter to reduce pain perception and influence mood.
Enkephalin is usually technical/scientific in register.
Enkephalin: in British English it is pronounced /ɛnˈkɛfəlɪn/, and in American English it is pronounced /ɛnˈkɛfəlɪn/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think: ENdogenous KEPHalic (head) INternal painkiller -> ENKEPHALIN.
Conceptual Metaphor
The brain's own internal morphine.
Practice
Quiz
What is the primary functional role of enkephalin?