- any of a group of natural biochemicals, as serotonin, angiotensin, or histamine, that activate changes in the blood, nerves, etc., similar to those caused by drugs
Origin of autacoidaut(o)- + Classical Greek akos, cure, remedy + -oid
An organic substance, such as a hormone, produced in one part of an organism and transported by the blood, lymph, or sap to another part of the organism where it exerts a physiologic effect on that part.
Origin of autacoidaut(o)- Greek akos cure -oid
- A hormone or similar compound
Ancient Greek aut- + ἄκος (akos, “remedy”) + -oid