👉 Phagocytolysis, also known as phagocytosis or engulfment, is a process by which cells of the immune system engulf and digest foreign substances. It occurs in response to pathogens, such as bacteria, viruses, and other microorganisms, that enter the body. The process involves the engulfment of the foreign material into the cell's endoplasmic reticulum (ER) or lysosomes, where it is degraded by enzymes called proteases. This allows the
