Eicosanoids are a group of bioactive lipid mediators derived from the 20-carbon fatty acid, arachidonic acid. They play crucial roles in various physiological and pathological processes. These include inflammation, immunity, and as messengers in the central nervous system. Eicosanoids are produced by nearly all cells in the body and include prostaglandins, thromboxanes, leukotrienes, and lipoxins.
