Proteoglycan
[proh-tee-oh-glahy-kan] /ˌproʊ ti oʊˈglaɪ kæn/
noun, Biochemistry.
1.
a macromolecule composed of a polysaccharide joined to a polypeptide and forming the ground substance of connective tissue.
proteoglycan pro·te·o·gly·can (prō’tē-ō-glī’kān’, -kən)
n.
Any of various mucopolysaccharides that are bound to protein chains in covalent complexes and occur in the extracellular matrix of connective tissue.
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