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).
Most lacerations are minor, and repairable by primary wound closure. Primary closure technique attempt to bring the wound edges together neatly and evenly, stop any bleeding, preserve function of the tissue, prevent infection, restore cosmetic appearance, and promote rapid healing.s a general rule, lacerations on any part of the body may be closed primarily for up to 12 hours following the injury. Facial wounds may be closed primarily up to 72 hours following the injury.