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  2. Injectable filler - Wikipedia

    en.wikipedia.org/wiki/Injectable_filler

    Injectable filler is a special type of substance made for injections into connective tissues, such as skin, cartilage or even bone, for cosmetic or medical purposes.The most common application of injectable fillers is to change one's facial appearance, but they also are used to reduce symptoms of osteoarthritis, treat tendon or ligament injuries, support bone and gum regeneration, and for ...

  3. Cell damage - Wikipedia

    en.wikipedia.org/wiki/Cell_damage

    Cell damage (also known as cell injury) is a variety of changes of stress that a cell suffers due to external as well as internal environmental changes. Amongst other causes, this can be due to physical, chemical, infectious, biological, nutritional or immunological factors. Cell damage can be reversible or irreversible.

  4. Lipodermatosclerosis - Wikipedia

    en.wikipedia.org/wiki/Lipodermatosclerosis

    Recurrent ulceration and fat necrosis is associated with lipodermatosclerosis. In advanced lipodermatosclerosis the proximal leg swells from chronic venous obstruction and the lower leg shrinks from chronic ulceration and fat necrosis resulting in the inverted coke bottle appearance of the lower leg.

  5. Hyaluronic acid - Wikipedia

    en.wikipedia.org/wiki/Hyaluronic_acid

    [29] [30] Currently, hyaluronic acid is used as a soft tissue filler due to its bio-compatibility and possible reversibility using hyaluronidase. [31] [29] Complications include the severing of nerves and microvessels, pain, and bruising. Some side effects can also appear by way of erythema, itching, and vascular occlusion; vascular occlusion ...

  6. Necrosis - Wikipedia

    en.wikipedia.org/wiki/Necrosis

    Thermal effects (extremely high or low temperature) can often result in necrosis due to the disruption of cells, especially in bone cells. [16] Necrosis can also result from chemical trauma, with alkaline and acidic compounds causing liquefactive and coagulative necrosis, respectively, in affected tissues. The severity of such cases varies ...

  7. Programmed cell death - Wikipedia

    en.wikipedia.org/wiki/Programmed_cell_death

    Necrosis is the death of a cell caused by external factors such as trauma or infection and occurs in several different forms. Necrosis was long seen as a non-physiological process that occurs as a result of infection or injury, [ 4 ] but in the 2000s, a form of programmed necrosis, called necroptosis , [ 5 ] was recognized as an alternative ...

  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. Dysbaric osteonecrosis - Wikipedia

    en.wikipedia.org/wiki/Dysbaric_osteonecrosis

    Dysbaric osteonecrosis or DON is a form of avascular necrosis where there is death of a portion of the bone that is thought to be caused by nitrogen (N 2) embolism (blockage of the blood vessels by a bubble of nitrogen coming out of solution) in divers. [1] Although the definitive pathologic process is poorly understood, there are several ...