Video: A neutrophil chasing bacteria, set to music.
Neutrophils, also called polymorphonuclear leukocytes (PMNs), are the most abundant circulating white blood cells (WBC). Neutrophils mediate the earliest phase of inflammatory response.
What is the half-life of a neutrophil?
6 hours -- 100 trillion cells are produced every day by the bone marrow.
Overview of the innate immune system (a mind map).
Blood cell lineage. Image source: Wikipedia.
Two neutrophils (PMN) among red blood cells. PMN are the type cells affected by chronic granulomatous disease. Image source: Wikipedia, GNU Free Documentation license.
A macrophage of a mouse stretching its arms to engulf two particles, possibly pathogens. Image source: Wikipedia.
Related:
Innate Immune System: A Short Review
Elevated neutrophil gelatinase-associated lipocalin (NGAL) is a strong predictor of chronic kidney disease progression
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