The spelling of the word "phagocytose" can be explained using IPA phonetic transcription. The word is pronounced as /ˌfæɡəˈsaɪtoʊz/. In this word, "phago" refers to "eating" and "cytose" refers to "cell". Therefore, "phagocytose" means "eating of a cell". The word is spelled with "ph" instead of "f" to signify the "f" sound as in "phone". The "o" in "cytose" is pronounced with a long "o" sound, while the "y" is pronounced like a short "i".
Phagocytose is a verb that refers to the process by which cells engulf and absorb solid particles, such as bacteria, foreign substances, or damaged cells, through their cell membrane. This term is commonly used in the field of biology and is derived from the Greek words "phago" meaning "to eat" and "kytos" meaning "cell."
During phagocytosis, specialized cells called phagocytes recognize and bind to the particles they want to engulf using receptors on their cell surface. The cell membrane then extends and wraps around the particle, forming a structure called a phagosome. Once the particle is enclosed inside the phagosome, it is then transported into the cell's cytoplasm where it undergoes digestion via the action of digestive enzymes contained within specialized vesicles known as lysosomes. The digestion process breaks down the engulfed materials into smaller components that can be utilized by the cell or eliminated from the body.
Phagocytosis is a vital process for the immune system's defense against pathogens and foreign matter. It is primarily carried out by white blood cells, including macrophages and neutrophils, which play a crucial role in the body's innate immune response. By phagocytosing and destroying harmful substances, these cells help protect the body from infections and maintain its overall health.
To englobe and destroy bacteria and other foreign substances, noting the action of the phagocytic cells.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "phagocytose" has its roots in Greek. It is derived from two Greek words: "phagein" meaning "to eat", and "kytos" meaning "cell". Therefore, "phagocytose" essentially means "to eat cells". It refers to a process in which certain cells, called phagocytes, engulf and digest foreign particles or microorganisms.