Researchers explore whether helping make better scar tissue in your heart could be a possible alternative to re-growing new tissue. Heart disease is the number one cause of death globally, according to the World Health Organisation (WHO), affecting millions of people every year.
Freebase(0.00 / 0 votes)Rate this definition: Necrosis. Necrosis is a form of cell injury that results in the premature death of cells in living tissue. Necrosis is caused by factors external to the cell or tissue, such as infection, toxins, or trauma that result in the unregulated digestion of cell components.
Medical Definition of SCAR TISSUE. : the connective tissue forming a scar and composed chiefly of fibroblasts in recent scars and largely of dense collagenous fibers in old scars.See scar tissue defined for kids.edical Definition of SCAR TISSUE. : the connective tissue forming a scar and composed chiefly of fibroblasts in recent scars and largely of dense collagenous fibers in old scars.