noun
- a chemical substance that transmits nerve impulses across a synapse between nerve cells
Usage: biology; neuroscience
Examples
- Dopamine is a neurotransmitter that affects mood and movement.
- The medication works by blocking certain neurotransmitter receptors.
- Serotonin is an important neurotransmitter involved in regulating sleep.
- Scientists study how neurotransmitters communicate between brain cells.
- Low levels of this neurotransmitter can lead to depression.
- The synapse releases neurotransmitters to send signals to the next neuron.