Fibroblast is a type of cell found in the connective tissue of the human body and plays an important role in tissue repair and regeneration. Fibroblasts are responsible for the production and maintenance of the extracellular matrix, which is a three-dimensional network of proteins and other components that provide structural support to tissues.

These cells are essential in wound healing and in the production of collagen, a crucial protein for the integrity and elasticity of the skin. During the healing process, fibroblasts migrate to the injury site and begin to synthesize and secrete collagen, forming a kind of scaffold that helps repair damaged tissue.