Bruise (contusion of the skin)

Illustration of Contusion of the skin
 
 

Normal skin:

Illustration of the layers of skin.

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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.

Last Updated: February 19, 2009

Medical Review: William M. Green, MD - Emergency Medicine & H. Michael O'Connor, MD - Emergency Medicine

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