Of, relating to, or having the characteristics of an autacoid; acting as a local chemical messenger in tissues.
From autacoid + -al (adjectival suffix). This adjective form allows scientists to describe processes and substances as autacoidal in nature.
Autacoidal responses explain why you get a localized itch from a mosquito bite rather than itching everywhere—it's your body's wisdom to respond locally rather than company-wide.
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