DR BARRY SLAVEN / SCIENCE PHOTO LIBRARY DR BARRY SLAVEN / SCIENCE PHOTO LIBRARY
Skin graft on large leg ulcer. Close-up of a meshed split-thickness skin graft (STSG) that has been used to treat a venous stasis ulcer a patient's lower leg. Venous ulcers are thought to be caused by improperly functioning venous valves. A split-thickness skin graft (STSG) is a skin graft that includes two layers of skin, the epidermis and part of the dermis.
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