human
What is the difference between a hyaluronic acid and a hyaluronan?
assistant
A hyaluronic acid is a polymer of glucuronic acid and N-acetylglucosamine. It is found in the extracellular matrix and is involved in cell adhesion and migration. Hyaluronan is a polysaccharide that is found in the extracellular matrix, and it is composed of repeating disaccharides of D-glucuronic acid and N-acetylglucosamine.