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== Measurement of neutrophils ==
 
== Measurement of neutrophils ==
 
[[Image:NeutrophilerAktion.png|thumb|Neutrophil granulocyte migrates from the blood vessel to the matrix, sensing proteolytic enzymes, in order to determine intercellular connections (to the improvement of its mobility) and envelop bacteria through phagocytosis.]]
 
[[Image:NeutrophilerAktion.png|thumb|Neutrophil granulocyte migrates from the blood vessel to the matrix, sensing proteolytic enzymes, in order to determine intercellular connections (to the improvement of its mobility) and envelop bacteria through phagocytosis.]]
Neutrophil granulocytes have an average volume of 330 femtoliters (fl) and a diameter of 12-15 [[micrometre|micrometers]] (µm) in [[blood film|peripheral blood smears]].
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Neutrophil granulocytes have an average volume of 330 femtoliters (fl) and a diameter of 12-15 [[micrometre|micrometers]] (µm) in [[blood film|peripheral blood smears]].
   
With the [[eosinophil granulocyte|eosinophil]] and the [[basophil granulocyte|basophil]], they form the class of ''polymorphonuclear cells'' (PMNs), named for the [[cell nucleus|nucleus]]'s characteristic multilobulated shape (as compared to [[lymphocyte]]s and [[monocyte]]s, the other types of white cells). Neutrophils are the most abundant white blood cells; they account for 70% of all white blood cells (leukocytes).
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With the [[eosinophil granulocyte|eosinophil]] and the [[basophil granulocyte|basophil]], they form the class of ''polymorphonuclear cells'' (PMNs), named for the [[cell nucleus|nucleus]]'s characteristic multilobulated shape (as compared to [[lymphocyte]]s and [[monocyte]]s, the other types of white cells). Neutrophils are the most abundant white blood cells; they account for 70% of all white blood cells (leukocytes).
   
The stated normal range for blood counts varies between laboratories, but a neutrophil count of 2.5-7.5 x 10<sup>9</sup>/L is a standard normal range. People of African and Middle Eastern descent may have lower counts which are still normal.
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The stated normal range for blood counts varies between laboratories, but a neutrophil count of 2.5-7.5 x 10<sup>9</sup>/L is a standard normal range. People of African and Middle Eastern descent may have lower counts which are still normal.
   
 
A report may divide neutrophils into segmented neutrophils and [[Band cell|bands]].
 
A report may divide neutrophils into segmented neutrophils and [[Band cell|bands]].

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