The chemical reactions and pathways resulting in the formation of a polysaccharide, a polymer of many (typically more than 10) monosaccharide residues linked glycosidically. [ GOC:go_curators ]

Synonyms: polysaccharide synthesis glycan biosynthetic process glycan biosynthesis polysaccharide biosynthesis polysaccharide anabolism polysaccharide formation

This is just here as a test because I lose it