Myeloid cells
Myeloid Cells
Myeloid cells (/maɪˈɛlɔɪd ˈsɛlz/; from Greek: μυελός, myelos, "marrow") are a category of cell that originate from the bone marrow. They are part of the immune system and play a crucial role in the body's defense against diseases.
Etymology
The term "myeloid" is derived from the Greek word "myelos", which means "marrow". This is in reference to the bone marrow, where myeloid cells are produced.
Types of Myeloid Cells
There are several types of myeloid cells, including:
- Neutrophils: These are the most abundant type of white blood cells in the body. They are the first to arrive at the site of an infection and play a key role in the body's immune response.
- Eosinophils: These cells are involved in the immune response to certain parasites and in allergic reactions.
- Basophils: These cells are involved in allergic reactions and inflammation.
- Monocytes: These cells can differentiate into macrophages and dendritic cells, which are involved in the immune response to pathogens.
- Megakaryocytes: These cells produce platelets, which are involved in blood clotting.
Function
Myeloid cells are involved in various functions of the immune system, including the defense against pathogens, inflammation, and the regulation of immune responses. They can recognize and respond to a wide range of pathogens, including bacteria, viruses, and fungi.
Related Terms
- Hematopoiesis: The process by which blood cells, including myeloid cells, are produced in the body.
- Leukocyte: A general term for white blood cells, which includes myeloid cells.
- Myeloid leukemia: A type of cancer that affects the myeloid cells.
External links
- Medical encyclopedia article on Myeloid cells
- Wikipedia's article - Myeloid cells
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