noun
- A neuropeptide in the brain and spinal cord that acts as a neurotransmitter and binds to opioid receptors, involved in pain regulation and stress responses.
Usage: technical; biochemistry; neuroscience
Examples
- Dynorphin is released in response to stress and helps modulate pain perception.
- Researchers study dynorphin to understand how the body naturally manages pain.
- The dynorphin system plays a role in addiction and withdrawal symptoms.
- Dynorphin levels increase during intense physical exercise.
- Scientists are investigating dynorphin's effects on mood and emotional regulation.