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  2. Scar - Wikipedia

    en.wikipedia.org/wiki/Scar

    Scar tissue is composed of the same protein as the tissue that it replaces, but the fiber composition of the protein is different; instead of a random basketweave formation of the collagen fibers found in normal tissue, in fibrosis the collagen cross-links and forms a pronounced alignment in a single direction. [1]

  3. Fibrosis - Wikipedia

    en.wikipedia.org/wiki/Fibrosis

    In response to injury, this is called scarring, and if fibrosis arises from a single cell line, this is called a fibroma. Physiologically, fibrosis acts to deposit connective tissue, which can interfere with or totally inhibit the normal architecture and function of the underlying organ or tissue.

  4. Skin repair - Wikipedia

    en.wikipedia.org/wiki/Skin_repair

    Damaged sweat and sebaceous glands, hair follicles, muscle cells, and nerves are seldom repaired. They are usually replaced by the fibrous tissue. The result is the formation of an inflexible, fibrous scar tissue. Human skin cells are capable of repairing UV-induced DNA damages by the process of nucleotide excision repair. [2]

  5. Regeneration in humans - Wikipedia

    en.wikipedia.org/wiki/Regeneration_in_humans

    The first organ ever induced and made in the lab was the bladder, which was created in 1999. [15] By 2014, there had been various tissues regenerated by the 3D printer and these tissues included: muscle, vagina, penis and the thymus. In 2014, a conceptual human lung was first bioengineered in the lab.

  6. Type I collagen - Wikipedia

    en.wikipedia.org/wiki/Type_I_collagen

    Type I collagen can be found in a myriad of different places in the body, mainly forming the matrix of connective tissues. It is present in scar tissue as well as tendons, ligaments, the endomysium of myofibrils, the organic part of bone, the dermis, the dentin, and organ capsules.

  7. Myofibroblast - Wikipedia

    en.wikipedia.org/wiki/Myofibroblast

    Myofibroblasts were first identified in granulation tissue during skin wound healing. [2] Typically, these cells are found in granulation tissue, scar tissue (fibrosis) and the stroma of tumours. They also line the gastrointestinal tract, wherein they regulate the shapes of crypts and villi.

  8. 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.

  9. Scar free healing - Wikipedia

    en.wikipedia.org/wiki/Scar_free_healing

    Scar free healing is the process by which significant injuries can heal without permanent damage to the tissue the injury has affected. In most healing, scars form due to the fibrosis and wound contraction, however in scar free healing, tissue is completely regenerated. During the 1990s, published research on the subject increased; it is a ...