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Fibroblast
  In our body's connective tissue, a Fibroblast is a type of connective tissue cells that secrete (synthesizes) the extracellular matrix rich in collagen and other macromolecules.
  In our body, a Fibroblast is a cell of connective tissue that is separated from similar cells by some degree of matrix material, which play a critical function in wound healing and usually secrete both elastin and collagen protein fibers.
In our body, the most common cell types are Fibroblasts, which produce fibers and other intercellular materials, and the two most common types of fibers are: collagen fibers (collagenous) and elastic fibers. Collagen fibers are for strength while the Elastic fibers are for elasticity of the tissue.
In our body, both the cells and the fibers are embedded in the intercellular substance. The consistency of this substance is highly variable from gelatin-like to a more rigid material.
  Examples of fibroblast include:

COS Cells
L Cells (Cell Line)
3T3 Cells
Mesangial Cells
Myofibroblasts
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