What is the role of phagocytes in the immune response?

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The role of phagocytes in the immune response is primarily centered on their ability to engulf and digest pathogens. Phagocytes are a type of white blood cell that play a critical role in the innate immune system. When pathogens such as bacteria or viruses invade the body, phagocytes identify these foreign entities and then surround them, effectively ingesting them through a process known as phagocytosis. After engulfing the pathogens, phagocytes break them down using enzymes contained within their cells, effectively neutralizing the threat.

This process is essential for controlling infections and initiating the inflammatory response. By removing pathogens, phagocytes also help to clear debris from damaged tissues, contributing to the healing process. In addition to this direct action, phagocytes can also communicate with other immune cells, enhancing the overall immune response, although their primary and direct function is the destruction of invading pathogens.

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