1[MASS NOUN] Consumption of the body’s own tissue as a metabolic process occurring in starvation and certain diseases.
‘the process of starvation-induced autophagy was recently the focus of extensive research’
More example sentences
1.1Destruction of damaged or redundant cellular components occurring in vacuoles within the cell.
Mid 19th century: from auto- + -phagy.
https://en.wikipedia.org/wiki/AutophagyAutophagy (or autophagocytosis) (from the Greek auto-, "self" and phagein, "to eat"), is the natural, destructive mechanism that disassembles, through a regulated process, unnecessary or dysfunctional cellular components. Autophagy allows the orderly degradation and recycling of cellular components.