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Ground substance

Ground substance is a term for the non-collagenous components of extracellular matrix. Cells are surrounded by extracellular matrix in tissues, which acts as a support for the cells. Ground substance traditionally does not include collagen but does include all the other proteinaceous components, including proteoglycans, matrix proteins and, most prevalent, water. The non-collagenous components of extracellular matrix will vary depending on the tissue where it is found.

Ground substance is amorphous, gel-like, and is primarily composed of glycosaminoglycans, proteoglycans, and glycoproteins.

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Ground_substance". A list of authors is available in Wikipedia.
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