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Related to autacoid: autacoid substance


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 ?
Secreted IL-1[beta] also acts in an autacoid manner, to engage IL-1[beta] receptors, activate the signaling molecule MyD88, and stimulate additional inflammatory reactions.
Autonomic & Autacoid Pharmacology23 (5-6): 319-26.
The distribution of histamine receptors means that responses to the autacoid vary in different vascular beds (1,144), making the site of injection of antigen or histamine releasing drug an important variable.