A wound is a type of injury which happens relatively quickly in which skin is torn , cut , or punctured ( an `` open '' wound ) , or where blunt force trauma causes a contusion ( a `` closed '' wound ) .
In medicine , a wound is a type of physical injury where in the skin is torn , cut or punctured ( an `` open '' wound ) , or where blunt force trauma causes a bruise ( a `` closed '' wound ) .