PROMYELOCYTES Meaning and
Definition
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Promyelocytes are a specific type of immature white blood cells (leukocytes) that are derived from the myeloblasts in the bone marrow. They belong to the myeloid lineage and are the immediate progenitors of myelocytes.
These cells are characterized by their large size, varying nuclear shape, and the presence of distinct primary granules in their cytoplasm. Promyelocytes are primarily involved in the production of granulocytes, which include neutrophils, basophils, and eosinophils, and are responsible for the defense against bacterial infections.
In healthy individuals, the presence of promyelocytes in the peripheral blood is usually low. However, they can increase in the blood circulation during certain pathological conditions, such as leukemia or other myeloproliferative disorders. Therefore, the identification and quantification of promyelocytes in a blood sample can be an important diagnostic marker in the evaluation of such disorders.
Microscopically, promyelocytes can be identified by their larger size compared to mature cells, characteristic primary granules, and a round or kidney-shaped nucleus. They are also distinguished from myeloblasts by the presence of secondary granules, which begin to form during their maturation process.
Overall, the definition of promyelocytes can be summarized as immature white blood cells that serve as the precursors to myelocytes and participate in the production of granulocytes, playing a vital role in the body's immune response to pathogens.
Common Misspellings for PROMYELOCYTES
- oromyelocytes
- lromyelocytes
- -romyelocytes
- 0romyelocytes
- peomyelocytes
- pdomyelocytes
- pfomyelocytes
- ptomyelocytes
- p5omyelocytes
- p4omyelocytes
- primyelocytes
- prkmyelocytes
- prlmyelocytes
- prpmyelocytes
- pr0myelocytes
- pr9myelocytes
- pronyelocytes
- prokyelocytes
- projyelocytes
- promtelocytes
Etymology of PROMYELOCYTES
The word "promyelocytes" is derived from a combination of two parts: "pro-" and "myelocyte".
1. "Pro-" is a prefix of Greek origin meaning "before" or "preceding". It is commonly used in scientific and medical terminology to indicate an immature or precursor form of a cell or organism.
2. "Myelocyte" is a noun of Greek origin, stemming from the word "myelo-" which means "marrow". In the context of biology, it refers to a type of white blood cell produced in the bone marrow.
Therefore, "promyelocytes" refers to a stage in the development of myelocytes, indicating a cell that is between the precursor form and the mature form of myelocytes found in the bone marrow.
