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  2. Skin repair - Wikipedia

    en.wikipedia.org/wiki/Skin_repair

    In the event of an injury that damages the skin's protective barrier, the body triggers a response called wound healing. After hemostasis, inflammation white blood cells, including phagocytic macrophages arrive at the injury site. Once the invading microorganisms have been brought under control, the skin proceeds to heal itself.

  3. Wound healing - Wikipedia

    en.wikipedia.org/wiki/Wound_healing

    Timing is important to wound healing. Critically, the timing of wound re-epithelialization can decide the outcome of the healing. [11] If the epithelization of tissue over a denuded area is slow, a scar will form over many weeks, or months; [12] [13] If the epithelization of a wounded area is fast, the healing will result in regeneration.

  4. Granulation tissue - Wikipedia

    en.wikipedia.org/wiki/Granulation_tissue

    It is necessary for a network of blood vessels to be established as soon as possible to provide the growing tissue with nutrients, to take away cellular wastes, and transport new leukocytes to the area. Fibroblasts, the main cells that deposit granulation tissue, depend on oxygen to proliferate and lay down the new extracellular matrix. [7]

  5. Chronic wound - Wikipedia

    en.wikipedia.org/wiki/Chronic_wound

    The genetic skin disorders collectively known as epidermolysis bullosa display skin fragility and a tendency to develop chronic, non-healing wounds. [12] Comorbid ailments that may contribute to the formation of chronic wounds include vasculitis (an inflammation of blood vessels), immune suppression , pyoderma gangrenosum , and diseases that ...

  6. Burn scar contracture - Wikipedia

    en.wikipedia.org/wiki/Burn_scar_contracture

    Burn scar contracture is the tightening of the skin after a second or third degree burn. When skin is burned, the surrounding skin begins to pull together, resulting in a contracture. It needs to be treated as soon as possible because the scar can result in restriction of movement around the injured area. This is mediated by myofibroblasts. [1]

  7. Scar - Wikipedia

    en.wikipedia.org/wiki/Scar

    Hypertrophic scars take the form of a red raised lump on the skin for lighter pigmented skin and the form of dark brown for darker pigmented skin. They usually occur within 4 to 8 weeks following wound infection or wound closure with excess tension and/or other traumatic skin injuries. [4]

  8. How long does COVID last? Here’s when experts say you'll ...

    www.aol.com/long-does-covid-last-experts...

    For some, COVID-19 symptoms may persist weeks to months after the initial infection. In 2022, 6.9% of US adults reported to have experienced long COVID, according to a CDC survey .

  9. Skin grafting - Wikipedia

    en.wikipedia.org/wiki/Skin_grafting

    Skin grafting, a type of graft surgery, involves the transplantation of skin without a defined circulation. The transplanted tissue is called a skin graft. [1] Surgeons may use skin grafting to treat: extensive wounding or trauma; burns; areas of extensive skin loss due to infection such as necrotizing fasciitis or purpura fulminans [2]