Assertion: cartilage's matrix | /r/HasProperty | formed
Facets:
Source sentences:
text: While cartilage is growing, new cartilage matrix is secreted by chondroblasts, which become isolated from one another as the matrix is formed.
text: The extracellular matrix of the elastic connective tissue contains chondroitin sulfates, which bind to the glycosaminoglycans in the extracellular matrix, forming proteoglycans.