Neutropenia

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Definition

noun

An abnormally low concentration of circulating neutrophils in the blood.


Supplement

For instance, an absolute neutrophil count (ANC) of <500 per microlitre is considered (severe type) neutropenia. Individuals with neutropenia are more susceptible to bacterial infections.


Word origin: Latin prefix neutro- + Greek penía (deficiency).

Compare: neutrophilia.
See also: granulocytopenia, agranulocytosis.