Medical Definition of TISSUE. : an aggregate of cells usually of a particular kind together with their intercellular substance that form one of the structural materials of a plant or an animal and that in animals include connective tissue, epithelium, muscle tissue, and nerve tissue.edical Definition of TISSUE. : an aggregate of cells usually of a particular kind together with their intercellular substance that form one of the structural materials of a plant or an animal and that in animals include connective tissue, epithelium, muscle tissue, and nerve tissue.
Lacerations are the blunt force injuries in which the skin and the underlying tissues are torn apart due to application of force. Characteristics. Types of Lacerations. Crushing of the skin and subcutaneous tissues between two hard objects, splits them, producing split lacerations (perpendicular impact).
Lacerations are caused when an object strikes the skin and causes a wound to open. Depending on a variety of characteristics (angle, force, depth, object), some lacerations can be more serious than others, reaching as far as deep tissue and leading to serious bleeding.ut laceration: The most common type of laceration, a cut occurs when any type of blade (knife, ax, scissors, etc.) comes into contact with the skin, causing a break of the skin and possibly the underlying tissue.