👉 Sen fluid, also known as hyaluronan, is a complex carbohydrate and one of the most abundant natural polymers in mammals. It plays a crucial role in maintaining the structure and function of connective tissues, such as skin, cartilage, and the extracellular matrix. Sen fluid is composed of repeating disaccharide units that are linked by alpha 1,4-glycosidic bonds, and its unique properties stem from its high molecular weight and ability to form a gel-like network. This network helps retain water, providing hydration and elasticity to tissues, while also facilitating cell-to-cell communication and acting as a barrier against pathogens. In medical contexts, sen fluid is often used in therapies for conditions like osteoarthritis and skin aging due to its regenerative and anti-inflammatory properties.