- The process by which cells digest parts of their own cytoplasm; allows for both recycling of macromolecular constituents under conditions of nutrient limitation and remodeling the intracellular structure for cell differentiation.
Definition from: Gene Ontology via Unified Medical Language System at the National Library of Medicine
- Digestion of cellular constituents by enzymes of the same cell.
Definition from: Merriam-Webster's Medical Dictionary by Merriam-Webster Inc.
See also Understanding Medical Terminology.