Composed of or containing fibroblasts, and also the fibrils and fibers of connective tissue formed by such cells.
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fi·brous 'fī-brəs adj
1) containing, consisting of, or resembling fibers <collagen is a \fibrous protein>
2) characterized by fibrosis
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fi·brous (fiґbrəs) composed of or containing fibers.Medical dictionary. 2011.