. "\"The chemical reactions and pathways resulting in the formation of an unsaturated fatty acid, any fatty acid containing one or more double bonds between carbon atoms.\" [GOC:mah, MetaCyc:PWY-762, MetaCyc:PWY-782]" . . "unsaturated fatty acid biosynthetic process" . "unsaturated fatty acid anabolism" . "unsaturated fatty acid biosynthesis" . "unsaturated fatty acid formation" . "unsaturated fatty acid synthesis" . "MetaCyc:PWY-762" . "MetaCyc:PWY-782" . . . "fatty acid desaturation" . "polyunsaturated fatty acid biosynthesis" .