¹ Source: wiktionary.com
Medical Definition of Glycosaminoglycans
1. Heteropolysaccharides which contain an n-acetylated hexosamine in a characteristic repeating disaccharide unit. The repeating structure of each disaccharide involves alternate 1,4- and 1,3-linkages consisting of either n-acetylglucosamine or n-acetylgalactosamine. (12 Dec 1998)