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2. Venous lake - Wikipedia

   en.wikipedia.org/wiki/Venous_lake

   A venous lake (also known as phlebectasis [1]) is a generally solitary, soft, compressible, dark blue to violaceous, 0.2- to 1-cm papule commonly found on sun-exposed surfaces of the vermilion border of the lip, face and ears. [2] [3] [4] Lesions generally occur among the elderly. [5] [6]

3. Actinic cheilitis - Wikipedia

   en.wikipedia.org/wiki/Actinic_cheilitis

   With both techniques, adjacent tissue damage can delay healing and promote scar formation. [11] More extensive or recurring areas of actinic cheilitis may be treated with either a shave vermillionectomy or a carbon dioxide laser. The shave vemillionectomy removes a portion of the vermillion border but leaves the underlying muscle intact.

4. Cicatrization - Wikipedia

   en.wikipedia.org/wiki/Cicatrization

   Cicatrization, also spelled cicatrisation (from Latin cicatrix, meaning "scar"), is the contraction of fibrous tissue formed at a wound site by fibroblasts, reducing the size of the wound while distorting tissue. It may refer to: The process of a wound healing to produce scar tissue

5. Scarification - Wikipedia

   en.wikipedia.org/wiki/Scarification

   For the Nuba tribe of Sudan, scars can serve a medicinal purpose; scars above the eyes are believed to improve eyesight, and scars on the temples are believed to help relieve headaches. [14] In some cultures, scarification is used in traditional medicine to treat some illness by inserting medicine (usually herbs or powdered root) under the skin ...

6. 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]

7. 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.

8. Skin repair - Wikipedia

   en.wikipedia.org/wiki/Skin_repair

   In a major injury, if epithelial cell migration and tissue contraction cannot cover the wound, suturing the edges of the injured skin together, or even replacement of lost skin with skin grafts, may be required to restore the skin. As epithelial cells continue to migrate around the scab, the dermis is repaired by the activity of stem cells.

9. Abrasion (medicine) - Wikipedia

   en.wikipedia.org/wiki/Abrasion_(medicine)

   Abrasions on elbow and lower arm. The elbow wound will produce a permanent scar. A first-degree abrasion involves only epidermal injury. A second-degree abrasion involves the epidermis as well as the dermis and may bleed slightly. A third-degree abrasion involves damage to the subcutaneous layer and the skin and is often called an avulsion.