what is glycosaminoglycans
Definition of GLYCOSAMINOGLYCAN. : any of various polysaccharides derived from an amino hexose that are constituents of mucoproteins, glycoproteins, and blood-group substances âcalled also mucopolysaccharide.ADVERTISEMENT. any of various polysaccharides derived from an amino hexose that are constituents of mucoproteins, glycoproteins, and blood-group substancesâcalled also mucopolysaccharide.