J.C. REVY, ISM / SCIENCE PHOTO LIBRARY J.C. REVY, ISM / SCIENCE PHOTO LIBRARY
Human skin culture. View of a petri-dish culture of human skin. The two layers that make up human skin are seen separated. At top is a flap of thick epidermis, this is the tough fibrous layer that covers & protects the skin. Below is the dermis, made of connective tissue, this is the layer (in normal skin) where nerve fibres, blood vessels and sweat glands are located. Skin can be cultured by "seeding" epidermal cells onto a small sample of human dermis tissue. Synthetic skin's uses include treatment of severe burns, and in the testing of drugs & cosmetics. Photographed at the Edouard Herriot Hospital, Lyon, France.
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