neuropeptide
/ˌnʊroʊˈpɛptaɪd/
noun
- A small protein-like molecule in the nervous system that helps nerve cells communicate with each other and affects things like mood, pain, and sleep.
- Some neuropeptides act like natural painkillers in the body.
- The brain releases a neuropeptide called oxytocin during social bonding.
- Scientists discovered a new neuropeptide that may help treat chronic pain.