Polysaccharides - structure and general properties: chemical synthesis of polysaccharides; curdian and succinoglycan; pullulan; cellulose and its derivatives - structures, reactions, and medical uses; hemicelluloses; hydrogels; polysaccharides in medicine: glycobiology - general aspects; structure and biosynthesis of glycoproteins; normal and pathological catabolism of glycoproteins; oligosaccharide antibiotics; bacterial capsular polysaccharides - immunogenicity and vaccines;polysaccharides and glycoconjugates as human vaccines; recombinant glycoproteins - pitfalls and strategy; glycoconjugates and diseases; medical applications of dextran and its derivatives; polysaccharides in oxygen-carrier blood substitutes; fucan sulfates and their anticoagulant activities; pharmaceutical and medical applications of cyclodextrins; bioartificial pancreas; chitin and chitosan - medical applications; chitosan - a novel matrix for hemoperfusion; membranes as biomaterials; polysaccharides used in ophthalmology; hydrogels as support for drug delivery systems; polysaccharides as supports for antiviral and antitumoral drugs.