Disease or Syndrome
neutropenia Audio
neu·tro·pe·ni·a [ noo-truh-pee-nee-uh, nyoo- ]
Subclass of:
Agranulocytosis
Etymology:
Latin neuter = neither, Greek kytos = vessel or cell + penia = poverty
Also called:
Agranulocytosis; Granulocytopenia
Definitions related to neutropenia:
  • A decrease in the number of NEUTROPHILS found in the blood.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • An abnormally low number of white blood cells.
    Harvard Dictionary of Health Terms
    Harvard Medical Publishing, 2011
  • Decrease in the number of neutrophilic leukocytes in the blood.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • Neutropenia is a reduction in the blood neutrophil count. If it is severe, the risk and severity of bacterial and fungal infections increase. Focal symptoms of infection may be muted, but fever is present during most serious infections. Diagnosis is by white blood cell count with differential, and evaluation requires identification of...
    Merck Manuals
    Merck & Co., Inc., 2025
  • Neutropenia is a decrease in circulating neutrophils in the nonmarginal pool, which constitutes 4-5% of total body neutrophil stores. Most of the neutrophils are contained in the bone marrow, either as mitotically active (one third) or postmitotic mature cells (two thirds).
    Medscape
    WebMD, 2025
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