Definition, Meaning & Synonyms
neurotransmitter
noun
/ˌnjʊəroʊˈtrænsmɪtər/
Definition
A chemical substance that transmits signals across a synapse from one neuron to another.
Examples
- Serotonin is an important neurotransmitter that helps regulate mood and emotion.
- When dopamine levels are low, it can affect motivation and pleasure.
- The neurotransmitter acetylcholine plays a vital role in muscle movement and memory.
Meaning
Neurotransmitters play a crucial role in the communication between nerve cells in the brain and throughout the nervous system.
Synonyms
- chemical messenger
- signal molecule
