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artificial skin : ウィキペディア英語版
artificial skin
Artificial skin refers to a collagen scaffold that induces regeneration of skin in mammals. The term was used in the late 1970s and early 1980s to describe a new treatment for massive burns. It was later discovered that treatment of deep skin wounds in adult animals and humans with this scaffold induces regeneration of the dermis. It has been developed commercially under the name IntegraTM and is used in massively burned patients, during plastic surgery of the skin, and in treatment of chronic skin wounds.
Alternatively, the term “artificial skin” sometimes is used to refer to skin-like tissue grown in a laboratory, although this technology is still quite a way away from being viable for use in the medical field. 'Artificial skin' can also refer to flexible semiconductor materials that can sense touch for those with prosthetic limbs, (also experimental).
==Background==
The skin is the largest organ in the human body. Skin is made up of three layers, the epidermis, dermis and the fat layer, also called the hypodermis. The epidermis is the outer layer of skin that keeps vital fluids in and harmful bacteria out of the body. The dermis is the inner layer of skin that contains blood vessels, nerves, hair follicles, oil, and sweat glands.〔. http://www.discoveriesinmedicine.com/Apg-Ban/Artificial-Skin.html〕 Severe damage to large areas of skin exposes the human organism to dehydration and infections that can result in death.
Traditional ways of dealing with large losses of skin have been to use skin grafts from the patient (autografts) or from an unrelated donor or a cadaver. The former approach has the disadvantage that there may not be enough skin available, while the latter suffers from the possibility of rejection or infection.
Until the late twentieth century, skin grafts were constructed from the patient's own skin. This became a problem when skin had been damaged extensively, making it impossible to treat severely injured patients entirely with autografts.〔(【引用サイトリンク】title=How is artificial skin made?: Information from )

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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