Definitions

fibrous proteins

Fibrous connective tissue

In zootomy, fibrous connective tissue (FCT) is a type of connective tissue which has relatively high tensile strength, due to a relatively high concentration of collagenous fibers. Such tissues form ligaments and tendons; the majority of the tissue does not contain living cells, the tissue is primarily composed of polysaccharides, proteins, and water.

The cells of fibrous connective tissue are mostly fibroblasts, irregular, branching cells that secrete strong fibrous proteins as an extracellular matrix. The most commonly secreted protein is collagen which represents one-fourth of all vertebrate protein. Collagen is tough and flexible and gives strength to tissue. Elastin fibres are thinner than collagen fibres and are also secreted by fibroblasts. These protein fibres have longer cross-links than collagen fibres, which gives elastin fibres great elasticity.

Types

There are several categories of fibrous connective tissue:

See also

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