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autophagyThe catabolism of the cell by its own enzymes due to the unleashing of the lysosome’s digestive machinery.
autophagocytosis(ot?o-fag?o-si-to'sis, -si-) [ auto- + phagocytosis]
In a cell, the digestion of portions of cell organelles or mitochondria injured or atrophied. This digestive process is essential to the survival of the cell.See: endocytosis; phagocytosis; pinocytosis