. "The chemical reactions and pathways resulting in the formation of oligosaccharides, molecules with between two and (about) 20 monosaccharide residues connected by glycosidic linkages." . . . "oligosaccharide biosynthesis" . "oligosaccharide biosynthetic process" . "oligosaccharide anabolism" . "oligosaccharide formation" . "oligosaccharide synthesis" . . . . . . . .