ghrelin: meaning, definition, pronunciation and examples
LowTechnical/Scientific
Quick answer
What does “ghrelin” mean?
A hormone produced in the stomach that stimulates appetite.
Audio
Pronunciation
Definition
Meaning and Definition
A hormone produced in the stomach that stimulates appetite.
A peptide hormone often called the 'hunger hormone' because it signals the brain to increase food intake and promotes fat storage; also involved in growth hormone release and various metabolic processes.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage. Spelling and pronunciation are consistent.
Connotations
Neutral scientific term in both varieties.
Frequency
Equally low frequency in both UK and US English, confined to specialist fields.
Grammar
How to Use “ghrelin” in a Sentence
Ghrelin is secreted by X.X stimulates/inhibits ghrelin.Levels of ghrelin increase/decrease.Vocabulary
Collocations
Examples
Examples of “ghrelin” in a Sentence
adjective
British English
- ghrelin-mediated response
- ghrelin-related research
American English
- ghrelin-producing cells
- ghrelin-based mechanism
Usage
Meaning in Context
Business
Rarely used, except in biotech or pharmaceutical business reports.
Academic
Common in endocrinology, physiology, nutrition, and medical research papers.
Everyday
Virtually never used in casual conversation.
Technical
Standard term in medical, biological, and nutritional sciences.
Vocabulary
Synonyms of “ghrelin”
Neutral
Weak
Vocabulary
Antonyms of “ghrelin”
Watch out
Common Mistakes When Using “ghrelin”
- Misspelling as 'grelin', 'ghreline', or 'ghrelen'.
- Incorrectly using it as a verb (e.g., 'I am ghrelining').
FAQ
Frequently Asked Questions
Ghrelin is primarily produced by endocrine cells in the lining of the stomach.
Ghrelin and leptin have opposing functions. Ghrelin stimulates hunger, while leptin, produced by fat cells, signals satiety and suppresses appetite.
Yes, factors like sleep, stress, diet composition, and meal timing can influence ghrelin secretion. For example, protein-rich meals and adequate sleep can help suppress ghrelin levels.
No, while its most known role is stimulating appetite, ghrelin also influences growth hormone release, glucose metabolism, and has effects on cognition and mood.
A hormone produced in the stomach that stimulates appetite.
Ghrelin is usually technical/scientific in register.
Ghrelin: in British English it is pronounced /ˈɡrɛlɪn/, and in American English it is pronounced /ˈɡrɛlɪn/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think of a GREMLIN in your stomach making you feel GREedy and HUNgry – that's GHRELIN.
Conceptual Metaphor
HUNGER IS A CHEMICAL MESSENGER / THE BODY IS A REGULATED SYSTEM.
Practice
Quiz
What is the primary function of ghrelin?