Bruise (contusion of the skin)


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Bruise (contusion of the skin)


Illustration of Contusion of the skin

 
 

Normal skin:

Illustration of the layers of skin.

Illustrations copyright 2000, 2002 Nucleus Communications, Inc. All rights reserved. http://www.nucleusinc.com

Bruises (contusions) occur when small blood vessels under the skin tear or rupture, most often from a twist, bump, or fall. Blood leaks into tissues under the skin and causes a black-and-blue color that often turns purple, red, yellow, and green as the bruise heals.

Credits


Primary Medical Reviewer William M. Green, MD - Emergency Medicine
Specialist Medical Reviewer H. Michael O'Connor, MD - Emergency Medicine
Last Updated April 3, 2007

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