Glycosidic bonds are etheric oxygen bridges that link the monosaccharide units in a polysaccharide. They can be named by identifying the position within each monosaccharide that forms the link using the standard numbering for simple monosaccharides. When a glycosidic bond involves an anomeric carbon, for example, carbon number 1 of an aldose or carbon number 2 of a ketose, an additional designation is needed to identify the specific anomer