[[Image:Neutrophil 2.jpg|thumb|right|150px|Neutrophils - J. Bredl, RVC 2008]]
[[Image:Neutrophil 2.jpg|thumb|right|150px|Neutrophils - J. Bredl, RVC 2008]]
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[[File:Extravasation with Macrophage|thumb|right|300px|Diagrammatic Representation of the Cellular Response - R.J.Francis, RVC 2012]]
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[[File:Extravasation with Macrophage.png|thumb|right|300px|Diagrammatic Representation of the Innate Immunity Cellular Response - R.J.Francis, RVC 2012]]
* Neutrophils are the principal, highly active '''phagocytes''' in the blood
* Neutrophils are the principal, highly active '''phagocytes''' in the blood
** Comprise 30-70% of white blood cells depending on species
** Comprise 30-70% of white blood cells depending on species