What is the definition or description of: injuries and wounds?

Wounds: Woumds or injuries are damage to the normal continuity of cells, tissue, or intercellular substance that disrupts the body's functions and or homeostasis, (regulation of a constant environment). These then stillage a cascade of events to resume normal function called the wound healing cascade. This is a complicated set of events that can be disrupted at various stages to delay healing of wounds.

SImple terms: A wound is when there is loss of tissue from external causes such as a knife wound gunshot wound or bite wound. Ulcers occur from internal causes venous ulcer, stomach ulcer, pressure ulcer. Injury refers to conditions that affects the tissues of our bodies in a detrimental fashion. Injuries need not cause skin breaks to cause damage tot he tissues. Wounds are injuries, not all injuries are wounds.