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How Do Scars Form?

If you’ve ever had a deep cut, you might now have a scar. What are scars, and how do they form?

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Read More:
Mechanism that limits scar formation discovered
http://www.sciencedaily.com/releases/2010/06/100610154459.htm
“Researchers have discovered that an unexpected cellular response plays an important role in breaking down and inhibiting the formation of excess scar tissue in wound healing.”

Why Are Scars Permanent?
http://www.nbcnews.com/id/3076698/t/why-are-scars-permanent/#.VZ7FNdNViko
“Every scar tells a story — about the time you fell from your bike or the day you burnt your hand. Every scar also tells about the body’s amazing ability to heal itself. But it’s not perfect. Why? If skin cells are continually dying and being replaced, shouldn’t there be no scars?”

Mathematical Modelling of Scar Tissue Formation
http://www.macs.hw.ac.uk/~jas/researchinterests/scartissueformation.html
“The initial response to injury is bleeding and the formation of a blood clot.”
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