Gas Exchange in the Respiratory System - Duration: 40:07. Aaron Mullally 7,315 views
Definition of POLYSACCHARIDE. : a carbohydrate that can be decomposed by hydrolysis into two or more molecules of monosaccharides; especially: one (as cellulose, starch, or glycogen) containing many monosaccharide units and marked by complexity. See polysaccharide defined for kids.ADVERTISEMENT.edical Definition of POLYSACCHARIDE. : a carbohydrate that can be decomposed by hydrolysis into two or more molecules of monosaccharides; especially: one (as cellulose, starch, or glycogen) containing many monosaccharide units and marked by complexityâcalled also glycan.
Polysaccharides are very large, high molecular weight biological molecules that are almost pure carbohydrate. They are constructed by animals and plants from simpler, monosaccharide molecules, by joining together large numbers of the simpler molecules using glycosidic bonds (-O-).