Constrict		A localized injury to the skin and/or underlying tissue usually over a bony prominence; the result of pressure or pressure in combination with shear and/or friction
Dilate		The narrow
Pressure ulcer		The expand or open wider
Skin tear		A break in the skin or mucous membrane
Ulcer		A break or rip in the skin; the epidermis separates from the underlying tissues
Wound		A shallow or deep crater-like sore of the skin or a mucous membrane