Definition of autacoid
: a physiologically active substance (as serotonin, bradykinin, or angiotensin) produced by and acting within the body
Origin of autacoid
aut- + Greek akos remedy; probably akin to Old Irish ícc cure
First Known Use: 1914
Medical Definition of autacoid
: a physiologically active substance (as a serotonin, bradykinin, or angiotensin) that is produced by the body and typically has a localized effect of brief duration
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Medical Dictionary: Definition of "autacoid"
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