A wound is barrier loss between the body and the environment, caused by the destruction of tissue on outer or inner body surfaces.
Wound exsudate denotes all fluids that are released from a wound. Depending on the condition of the wound, this lymph, blood, proteins, germs, cells and cell residues can exist.
The boundary between wound and intact epithelium is called the wound edge.
The wound environment is the area which borders on the wound edge and surrounds the wound.