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In major injuries, the repair mechanisms are unable to restore the skin to its original condition. The repaired region contains an abnormally large number of collagenous fibers, and relatively few blood vessels. Damaged sweat and sebaceous glands, hair follicles, muscle cells, and nerves are seldom repaired.
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.
Typical caustic pencil with detail of dried, oxidized, and inactive chemical. A caustic pencil (or silver nitrate stick) is a device for applying topical medication containing silver nitrate and potassium nitrate, used to chemically cauterize skin, providing hemostasis or permanently destroying unwanted tissue such as a wart, skin tag, aphthous ulcers, or over-production of granulation tissue. [1]
Causes of Hair Loss. As you can guess, each type of hair loss has its own causes. Broadly speaking, the different types of hair loss can be broken down into two categories: non-scarring alopecia ...
The Most Common Causes of Hair Loss in Elderly Women. Hair loss in women occurs for a variety of reasons, but hair loss in older women can also be due to factors that come specifically with age ...
If you're experiencing hairloss, you're in good company.An estimated 35 million men and 21million women in the United Statesexperience hair loss to some degree.Excessive hair loss is usually the ...
For example, scars in the skin are less resistant to ultraviolet radiation, and sweat glands and hair follicles do not grow back within scar tissues. [2] A myocardial infarction , commonly known as a heart attack, causes scar formation in the heart muscle, which leads to loss of muscular power and possibly heart failure .
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 ...