proteoglycan

/ˌproʊtiəˈɡlaɪkæn/
noun
  1. A type of protein that has sugar chains attached to it, found in connective tissues like cartilage and skin, helping to provide structure and support.
    • Scientists study proteoglycans to understand how skin maintains its elasticity.
    • Proteoglycans are important for keeping your joints healthy and flexible.
    • The loss of proteoglycans in cartilage can lead to arthritis.