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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. It is one type of endocytosis. A cell that performs phagocytosis is called a phagocyte.
Unbound phagocyte surface receptors do not trigger phagocytosis. 2. Binding of receptors causes them to cluster. 3. Phagocytosis is triggered and the particle is taken up by the phagocyte. Phagocytosis is the process of taking in particles such as bacteria, invasive fungi, parasites, dead host cells, and cellular and foreign debris by a cell. [22]
The first demonstration of phagocytosis as a property of leukocytes, the immune cells, was from the German zoologist Ernst Haeckel. [14] [15] In 1846, English physician Thomas Wharton Jones had discovered that a group of leucocytes, which he called "granule-cell" (later renamed and identified as eosinophil [16]), could change shape, the phenomenon later called amoeboid movement.
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Original – Bacterial phagocytosis by neutrophil in human blood, invitro. The video is accelerated by a factor of 8. Reason Good visualization of a neutrophil (a type of white blood cell) neutralizing (phagocytosis, or eating) a bacteria in human blood, invitro. Good addition to two articles. Articles in which this image appears Phagocytosis ...
For example, an individual retirement account (IRA) is a tax-advantaged savings account that can help you save for retirement. With a traditional IRA, contributions are tax-deductible; you pay ...