cellulose acetate electrophoresis together with specific enzymic and chemical degradation procedures indicated that hyaluronic acid ( 83 % ) and heparan sulphate ( 14 % ) were the major glycosaminoglycans synthesized by the epidermis when pig ear skin slices were cultured in the presence of d- [ 3h ] -glucosamine and 35so4 2- .
C0019143
heparan sulphate
C0017973
glycosaminoglycans