Scarring
Scarring
Scarring (/ˈskɑːrɪŋ/) is the process by which wounds are repaired. Damage to the deeper layer of the skin, the dermis, is required to produce a scar.
Etymology
The term "scar" comes from the Greek word "eskhara," which means "scab, scar, or eschar."
Process
Scarring involves the formation of connective tissue in the skin or other tissues of the body. This occurs as a natural part of the healing process after injury, surgery, or certain diseases. The new tissue is often of inferior functional quality, leading to reduced flexibility and possible cosmetic concerns.
Types of Scars
There are several types of scars, including:
- Keloid scars: These are the result of an overly aggressive healing process and extend beyond the original injury.
- Contracture scars: These scars result from burns and can tighten the skin, potentially impairing the ability to move.
- Hypertrophic scars: These are raised, red scars similar to keloids but do not extend beyond the boundary of the injury.
- Atrophic scars: These scars create a sunken area due to damage to the collagen, fat, or other tissues below the skin.
Treatment
Treatment for scarring can include surgery, laser therapy, steroid injections, or silicone sheets to flatten the scar. Smaller keloids can be treated using cryotherapy (freezing therapy using liquid nitrogen).
Related Terms
External links
- Medical encyclopedia article on Scarring
- Wikipedia's article - Scarring
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