LAGUNA DESIGN / SCIENCE PHOTO LIBRARY LAGUNA DESIGN / SCIENCE PHOTO LIBRARY
Hyaluronic acid. Molecular model of two units of the glycosaminoglycan polymer hyaluronic acid (C14.H21.N.O11), also known as hyaluronan. A polymer of disaccharides, it is an important component of articular cartilage and of skin, where it is involved in tissue repair. Atoms are represented as spheres and are colour-coded: carbon (grey), hydrogen (white), nitrogen (blue) and oxygen (red). Illustration.
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