Researchers have developed a novel
method that measures the limit to which human skin can be stretched, an advance
that could help grow new skin for burn victims. Surgeons use various techniques
for tissue expansion procedures designed to grow skin in one region of the body
to graft it on to another site (sometimes used for burn victims). This procedure
stretches the skin, typically, by inflating a balloon with air or silicone
under the surface. Skin grows more in regions where it is stretched – during pregnancy,
for instance – but stretch it too much and the tissue might break. The new
predictive technique could be employed as a method of predicting the limit to
which the skin could be stretched. The outermost layer of skin, the stratum
corneum, regulates water loss from the body and protects underlying living
tissue from germs and the environment, in general. It is pretty tough,
protecting the body from extreme temperatures, rough surfaces, and most paper
edges. The results could help create new topical medical and cosmetic products.
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