Why scars are so different from normal skin
There are two main layers of skin - the epidermis (superficial) and the dermis itself (deep). The epidermis is responsible for constant tissue renewal. Therefore, when skin damage is limited to this layer, the wound heals without a trace.
But when the dermis is affected, a scar is almost guaranteed.
A scar is visually so different from normal skin, because the basal layer of the epidermis responsible for its repair is damaged - the skin cannot be the same.
And the body decides to fill the "gap" with connective tissue, which does not have a complex structure like skin.
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Bits of Medical Knowledge
Kurgu OlmayanVery short pieces of information about medical things, health and nutrition. The best way to read would be clicking on a chapter whose title interested you. Do share with friends!