MARK CLARKE / SCIENCE PHOTO LIBRARY MARK CLARKE / SCIENCE PHOTO LIBRARY
Stitch removal. Nurse removes a suture from the lip of a 3 year old boy. She is using tweezers and a scalpel. Sutures are made of various materials such as catgut, linen, silk, synthetic thread and stainless steel wire. They are used to hold a wound together until it has healed. Skin sutures such as these are removed one to two weeks after insertion. The nurse is wearing rubber gloves to maintain a sterile environment.
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