Macrophage - Wikipedia
Macrophages (/ ˈmækroʊfeɪdʒ /; abbreviated M φ, MΦ or MP) are a type of white blood cell of the innate immune system that engulf and digest pathogens, such as cancer cells, microbes, cellular debris, and foreign substances, which do not have proteins that are specific to healthy body cells on their surface. [1][2] This process is called phagocyt...
Macrophage | Definition, Biology, & Function | Britannica
2024年10月18日 · macrophage, type of white blood cell that helps eliminate foreign substances by engulfing foreign materials and initiating an immune response. Macrophages are constituents of the reticuloendothelial system (or mononuclear phagocyte system) and occur in almost all tissues of the body.
Macrophages: What Are They, Different Types | Osmosis
2022年7月14日 · Macrophages are a type of white blood cell that play an important role in the human immune system and carry out various functions including engulfing and digesting microorganisms; clearing out debris and dead cells; and stimulating other cells involved in immune function.
Macrophages: shapes and functions - PMC - PubMed Central (PMC)
Macrophages are cells of the innate immune system and represent an important component of the first-line defense against pathogens and tumor cells. Here, their diverse functions in inflammation and tumor defense are described, and the mechanisms, ...
Macrophages: anatomy, structure and function | Kenhub
2023年10月30日 · The macrophages are highly specialized, multitasking immune cells that play a key role in the protection of the organism against pathogen invasion. The macrophages originate from the monocytes, a type of white blood cells that comes from the bone marrow.
Macrophages and Your Immune System - Verywell Health
2024年8月20日 · Macrophages are a type of white blood cell that are part of your body's defense mechanism and also part of the immune response in asthma. They are made in your bone marrow. When a foreign invader, like bacteria, enters your bloodstream, macrophages secrete certain substances in a battle to help kill the bacteria.
Macrophages | British Society for Immunology
Macrophages are specialised cells involved in the detection, phagocytosis and destruction of bacteria and other harmful organisms. In addition, they can also present antigens to T cells and initiate inflammation by releasing molecules (known as cytokines ) that activate other cells.
What is a Macrophage? - News-Medical.net
2022年11月18日 · Macrophages are large, specialized cells in the immune system that recognize, engulf and destroy infecting or damaged cells.
Macrophage Definition & Meaning - Merriam-Webster
The meaning of MACROPHAGE is a phagocytic tissue cell of the immune system that may be fixed or freely motile, is derived from a monocyte, functions in the destruction of foreign antigens (such as bacteria and viruses), and serves as an antigen-presenting cell.
Macrophage: Definition, Function, Causes of High and Low Count
Colorized scanning electron micrograph of a macrophage. “Macrophage” by NIAID is licensed under CC BY 2.0. Macrophages are large, irregularly shaped white blood cells that are characterized by their ability to engulf and digest foreign particles. Their morphology is often described as “amoeboid,” meaning they have a flexible, constantly changing shape that allows …