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).
Open wounds can be classified according to the object that caused the wound. The types of open wound are: 1  Incisions or incised wounds, caused by a clean, sharp-edged object such as a knife, razor, or glass splinter.2  Lacerations, irregular tear-like wounds caused by some blunt trauma.3  Lacerations and incisions may appear linear (regular) or stellate (irregular). contaminated wound, where the wound is as a result of accidental injury where there are pathogenic organisms and foreign bodies in the wound. 2  infected wound, where the wound has pathogenic organisms present and multiplying showing clinical signs of infection, where it looks yellow, oozing pus, having pain and redness.