Connective tissue - Definition

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A tissue is defined as the substance made up of cells of the same composition that all perform the same function. Connective tissue primarily serves to support and protect the other types of body tissues. They are located between the organs, and constitute a very large part of the body's cellular tissue. They are essentially composed of cells, notably fibroblast cells that create another major component of the body: collagen fibers, which ensure the resistant quality of connective tissue. This tissue also contains a substance called the extracellular matrix in which the cells rest.