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Phagocytosis, or “cell eating”, is the process by which a cell engulfs a particle and digests it. The word phagocytosis comes from the Greek phago-, meaning “devouring”, and -cyte, meaning “cell”.
Phagocytosis, process by which certain living cells called phagocytes ingest or engulf other cells or particles. Phagocytes may be free-living one-celled organisms, such as amoebas, or body cells, such as white blood cells.
Phagocytosis is a basic physiological cellular phenomenon wherein the cell eats or engulfs particles, microorganisms, or foreign substances having a diameter of more than 0.5 µm. Phagocytosis is the mechanism used by many protists (e.g. amoeba) to acquire nutrients.
Phagocytosis (from Ancient Greek φαγεῖν (phagein) 'to eat' and κύτος (kytos) 'cell') is the process by which a cell uses its plasma membrane to engulf a large particle (≥ 0.5 μm), giving rise to an internal compartment called the phagosome.
What is phagocytosis? Phagocytosis Definition. Phagocytosis is the cellular process where cells engulf and digest large particles or microorganisms, often for defense against pathogens or to remove cellular debris.
Phagocytosis combines two Greek words, where ‘phagein’ means ‘to eat’ and ‘kytos’ denotes ‘cell’. It is a class of endocytosis where specific living cells ingest or engulf other cells or particles of size greater than 0.5 μm, forming a vesicular structure.
In phagocytosis, the plasma membrane of a cell is directed by cytoskeletal filaments to form pseudopodia (fake arms) that act to engulf a particle and bring it into the cell from the extracellular matrix.