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Granulocytes are a category of white blood cells characterised by the presence of granules in their cytoplasm. They are also called polymorphonuclear leukocytes (PMN or PML) because of the varying shapes of the nucleus, which is usually lobed into three segments. In common parlance, the term polymorphonuclear leukocyte often refers specifically to neutrophil granulocytes, the most abundant of the granulocytes. Granulocytes or PMN are released from the bone marrow by the regulatory complement proteins.
Additional recommended knowledge
There are three types of granulocytes, distinguished by their appearance under Wright's stain:
Toxic materials produced or released
Examples of toxic produced or released by degranulation by granulocytes on the ingestion of microorganism includes:
Granulocytopenia is an abnormally low concentration of granulocytes in the blood. This condition reduces the body's resistance to many infections. Closely-related terms include agranulocytosis and neutropenia.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Granulocyte". A list of authors is available in Wikipedia.|