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also au·to·coid  (ô′tə-koid′)
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.

[aut(o)- + Greek akos, cure + -oid.]

au′ta·coi′dal (-koid′l) adj.


(Physiology) physiol any natural internal secretion, esp one that exerts an effect similar to a drug
[C20: from auto- + Greek akos cure + -oid]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.autacoid - any physiologically active internal secretion especially one of uncertain classification
secretion - a functionally specialized substance (especially one that is not a waste) released from a gland or cell
prostaglandin - a potent substance that acts like a hormone and is found in many bodily tissues (and especially in semen); produced in response to trauma and may affect blood pressure and metabolism and smooth muscle activity
References in periodicals archive ?
It modulates the expression of proinflammatory genes transcription for cytokines, growth factors, adhesion molecules, nitric oxide, prostanoids and autacoids.
The course contents included general pharmacology, autonomic nervous system, cardiovascular system, central nervous system, gastrointestinal tract, blood, autacoids, respiratory system, endocrine system and chemotherapeutic agents.
Cyclooxygenase (COX) enzyme is responsible for the biosynthesis of the prostaglandins and certain related autacoids and is considered to be a major component of the mechanism of NSAIDs.