<biochemistry> The polysaccharide components of proteoglycans, now more usually known as glycosaminoglycans. ... (18 Nov 1997) ... 
(mu″ko-pol″e-sak´ә-rīd) a group of polysaccharides that contain hexosamine, that may or may not be combined with protein and that, dispersed in water, form many of the mucins.
The polysaccharide components of proteoglycans, now more usually known as glycosaminoglycans.
Type: Term Pronunciation: myū′kō-pol′ē-sak′ă-rīd Definitions: 1. General term for a protein-polysaccharide complex obtained from proteoglycans and containing as much as 95% polysaccharide; mucopolysaccharides include the blood group substances. A more modern term is glycosaminoglycan, because all of the kn...
[n] - complex polysaccharides containing an amino group
noun complex polysaccharides containing an amino group; occur chiefly as components of connective tissue
(formerly) glycosaminoglycan.