proteoglycan

[proh-tee-oh-glahy-kan]

noun Biochemistry.

a macromolecule composed of a polysaccharide joined to a polypeptide and forming the ground substance of connective tissue.

Origin of proteoglycan

1969; prote(in) + -o- + glyc- + -an, variant of -ane

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

proteoglycan in Medicine

(prō′tē-ō-glī′kăn′, -kən)

Any of various mucopolysaccharides that are bound to protein chains in covalent complexes and occur in the extracellular matrix of connective tissue.