The chemical reactions and pathways resulting in the formation of icosanoids, any of a group of C20 polyunsaturated fatty acids. [ https://www.worldcat.org/search?q=bn%3A0198506732 ]
Synonyms: eoxin biosynthesis icosanoid formation icosanoid anabolism icosanoid biosynthesis eicosanoid biosynthesis eoxin synthesis icosanoid synthesis eicosanoid biosynthetic process