A type of amputation where the extremity is pulled off rather than cut off. When used in reference to skin avulsions, the term degloving is also sometimes used as a synonym. Puncture wounds – caused by an object puncturing the skin, such as a splinter, nail or needle. Penetration wounds – caused by an object such as a knife entering and coming out from the skin. Gunshot wounds – caused by a bullet or similar projectile driving into or through the body. There may be two wounds, one at the site of entry and one at the site of exit, generally referred to as a "through-and-through." Critical wounds- Including large burns that have been split. These wounds can cause serious hydroelectrolytic and metabolic alterations including fluid loss, electrolyte imbalances, and increased catabolism

Closed
Closed wounds have fewer categories, but are just as dangerous as open wounds:

Hematomas (or blood tumor) – caused by damage to a blood vessel that in turn causes blood to collect under the skin. Hematomas that originate from internal blood vessel pathology are petechiae, purpura, and ecchymosis. The different classifications are based on size. Hematomas that originate from an external source of trauma are contusions, also commonly called bruises. Crush injury – caused by a great or extreme amount of force applied over a long period of time. Presentation
Complications
Bacterial infection of wound can impede the healing process and lead to life-threatening complications.
Wounds acquired in war, for example, told the story of a soldier in a form which all could see and understand, and the wounds of a martyr told the story of their faith. Research
In humans and mice it has been shown that estrogen might positively affect the speed and quality of wound healing. See also
European Wound Management Association
International Red Cross Wound Classification System
Wound bed preparation

References
External links

US based wound healing society
Association for the Advancement of Wound Care AAWC
European Wound Management Association – EWMA works to promote the advancement of education and research.