Chemical messenger
Pronunciation: /ˈkɛməkəɫ ˈmɛsəndʒɝ/
Chemical messenger (noun)
- A substance made by cells that carries information to other cells, helping the body control actions and reactions.
- A chemical released by nerve cells that passes a message to other nerve cells or muscles to start or change activity.
Examples
- The body signal chemical travels through the blood to send messages.
- A body signal chemical can change how organs work.