PHILIPPE PLAILLY / SCIENCE PHOTO LIBRARY PHILIPPE PLAILLY / SCIENCE PHOTO LIBRARY
First stage in the preparation of "artificial" skin. A special tool (a "credo") is used to carefully separate the outer epidermis from the underlying dermis in a small piece of freshly- obtained human skin. Subsequently, the keratinocytes (cells of the epidermis) are separated in a centrifuge and "sown" onto a small fragment of human dermis. After a number of days, the result is an enlarged section of reconstituted skin. Photographed in Prof. Jean Thivolet's laboratory l'hopital Edouard Herriot in Lyons, France.
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