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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.
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.
It’s normal to lose about 50 to 100 hairs a day. But it can be upsetting when you notice more hair loss than this, bald patches, a widening part, or a ponytail that keeps getting thinner and ...
3. Medications. Some medications have been associated with temporary hair loss. Most of the time hair loss related to medication is due to the drug disrupting the hair growth cycle leading to a ...
Thus, a fibrin mesh is produced all around the platelet plug to hold it in place; this step is called secondary hemostasis. During this process some red and white blood cells are trapped in the mesh which causes the primary hemostasis plug to become harder: the resultant plug is called a thrombus or blood clot. The blood clot contains the ...
It causes round skin lesions which can be more prone to skin cancer. These lesions can affect the scalp as well as the rest of the body. ... Many autoimmune diseases can cause hair loss, including ...
The underlying skin is unscarred and looks superficially normal. Although these patches can take many shapes, they are usually round or oval. [19] Alopecia areata most often affects the scalp and beard, but may occur on any part of the body with hair. [20] Different areas of the skin may exhibit hair loss and regrowth at the same time.
Traction alopecia is a type of alopecia or hair loss caused by a chronic pulling force being applied to the hair. [1] It commonly results from a person frequently wearing their hair in a particularly tight ponytail, pigtails, or braids with increased likelihood when hair is chemically relaxed as this compromises the hair shaft's tensile strength resulting in hair breakage.