DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Sutured laceration on the knee of a 29-year-old woman, twelve days after injury. Sutures are designed to help an injury heal by bringing together the two sides of a wound to minimize scar formation and prevent blood from leaking. The sutures shown are non-absorbable. They are made from materials that are not metabolised by the body. The most commonly used material is silk. Artificial fibres such as polyester and nylon are also used. Sutures like these are removed a few weeks after insertion.
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