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Related to autacoid: autacoid substance
au·ta·coidalso 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.
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]
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|Noun||1.||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