. "\"The chemical reactions and pathways resulting in the formation of prostanoids, any compound based on or derived from the prostanoate structure.\" [GOC:ai]" . . "prostanoid biosynthetic process" . "prostanoid anabolism" . "prostanoid biosynthesis" . "prostanoid formation" . "prostanoid synthesis" . "Wikipedia:Prostanoid#Biosynthesis" . . . . .