Definition, Meaning & Synonyms
histamine
Noun
/ˈhɪstəˌmiːn/
Definition
Histamine is a chemical compound involved in local immune responses, regulation of physiological functions in the stomach, and acting as a neurotransmitter for the brain and spinal cord.
Examples
- When exposed to pollen, the body produces histamine, leading to symptoms like sneezing and itching.
- Antihistamines are often used to relieve allergy symptoms caused by excessive histamine release.
- Histamine is also involved in regulating stomach acid, aiding in digestion.
Meaning
Histamine is primarily known for its role in allergic reactions and is produced by mast cells and basophils in the body.
Synonyms
- None (histamine is a specific chemical and does not have direct synonyms).