autacoid
noun
Meaning
A substance produced by cells that acts locally to regulate the function of nearby cells, often referred to as a local hormone.
Examples
- Histamine is a classic example of an autacoid that mediates inflammatory responses.
- Prostaglandins function as autacoids to modulate pain and blood flow in specific tissues.
Synonyms: local hormone, paracrine agent, signaling molecule, autacoid substance