DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Bruise on wrist. Close-up of a spontaneous bruise on the wrist of a 55-year-old female patient. Bruises are a form of haematoma (bleeding) in which damage occurs to the tiny blood vessels within the tissues (e.g capillaries and venules), allowing blood to seep (haemorrhage) into the surrounding tissue.
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