death of a circumscribed area of plant or animal tissue as a result of an outside agent; natural death of tissue is called necrobiosis. Necrosis may follow a wide variety of injuries, both physical (cuts, burns, bruises) and biological (effects of disease-causing agents). The sign of necrosisdead tissueis called a lesion; it is often of diagnostic value. Necrosis is brought about by intracellular enzymes that are activated upon injury and proceed to destroy damaged cells.
NECROSIS
Meaning of NECROSIS in English
Britannica English vocabulary. Английский словарь Британика. 2012