<prompt> Synol fluid contains-Hyaluronic acidChondroitin sulphateKeratan sulphateDermatan sulphate  <response>: Hyaluronic acid Longest GAG. Present in synol fluid vitreous humor. Does not contain any sulfate. Made up of N-Acetyl Glucosamine D-Glucuronic acid. Forms clear, highly viscous, non-compressible solutions that serve as a lubricant Role in Cell Migration during Morphogenesis Role in Wound Healing. Provides tensile strength and elasticity. 