eicosanoid

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Related to Icosanoid: prostaglandin

eicosanoid

[ī′käs·ə‚nȯid]
(biochemistry)
Any member of a group of naturally occurring substances composed of prostaglandins, thromboxanes, and leukotrienes that are derived from polyunsaturated fatty acids, particularly arachidonic acid, and exhibit various types of biological activity.