How to pronounce the word phagocytosis?
phagocytosis
noun
How to pronounce phagocytosis?
The word phagocytosis sounds like phag-o-cy-to-sis
/,fæɡəsaɪ'toʊsɪs/
What is the definition of phagocytosis?
nounprocess in which phagocytes engulf and digest microorganisms and cellular debris; an important defense against infection
What is the definition of phagocytosis?
- Phagocytosis is the process by which cells engulf and digest particles, such as bacteria and debris.
What are the types of cells that can perform phagocytosis?
- Phagocytosis is performed by various types of cells, including macrophages, neutrophils, and dendritic cells.
How does phagocytosis work?
- Phagocytosis involves the recognition and binding of the particle to be engulfed by receptors on the surface of the phagocytic cell. Once bound, the cell forms a phagosome around the particle, which is then transported into the cell's cytoplasm. The phagosome fuses with lysosomes and the engulfed particle is digested by enzymes inside the cell.
What is the purpose of phagocytosis?
- Phagocytosis plays a crucial role in the immune defense system by allowing cells to eliminate pathogens, foreign particles, and cellular debris.
What are the steps involved in phagocytosis?
- Phagocytosis involves several steps: (1) chemotaxis, where phagocytes are attracted to the site of infection or inflammation, (2) adherence, where phagocytes attach to the particle to be engulfed, (3) engulfment, where the particle is internalized within a phagosome, (4) fusion, where the phagosome fuses with lysosomes, and (5) digestion, where the engulfed particle is broken down and digested.
What happens if phagocytosis is impaired?
- Impairment of phagocytosis can lead to increased susceptibility to infections and impaired clearance of cellular debris, potentially leading to chronic inflammation and tissue damage.
Is phagocytosis specific to immune cells?
- While phagocytosis is primarily associated with immune cells, some non-immune cells, such as certain epithelial cells and fibroblasts, are also capable of phagocytic activity in specific circumstances.
Can phagocytosis occur in single-celled organisms?
- Yes, phagocytosis can also occur in single-celled organisms, where it is used as a feeding mechanism to obtain nutrients from the environment.
What are the outcomes of phagocytosis?
- The outcomes of phagocytosis include the destruction and removal of pathogens, foreign particles, and cellular debris, as well as the potential activation of immune responses.
Are there any disorders or diseases associated with phagocytosis?
- Yes, there are disorders and diseases associated with phagocytosis, such as chronic granulomatous disease, where phagocytes are unable to kill certain bacteria, and macrophage activation syndrome, which is characterized by excessive activation and proliferation of phagocytic cells.
