What Is a Wound Contraction?

Wound healing refers to the healing process after the body is exposed to external forces and the skin and other tissues are broken or defective. It includes the complex combination of regeneration of various tissues, hyperplasia of granulation tissue, and formation of scar tissue, showing the synergistic effects of various processes. The basic process of wound healing: acute inflammation period cell proliferation period scar formation period epidermal and other tissue regeneration. According to the degree of injury and the presence or absence of infection, wound healing can be divided into three types: primary healing, secondary healing, and tertiary healing.