white blood cell

Definitions of white blood cell
1

n blood cells that engulf and digest bacteria and fungi; an important part of the body's defense system

Synonyms:
WBC, leucocyte, leukocyte, white blood corpuscle, white cell, white corpuscle
Types:
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myelocyte
an immature leukocyte normally found in bone marrow
myeloblast
a precursor of leukocytes that normally occurs only in bone marrow
lymph cell, lymphocyte
an agranulocytic leukocyte that normally makes up a quarter of the white blood cell count but increases in the presence of infection
granulocyte
a leukocyte that has granules in its cytoplasm
monocyte
a type of granular leukocyte that functions in the ingestion of bacteria
basophil, basophile
a leukocyte with basophilic granules easily stained by basic stains
neutrophil, neutrophile
the chief phagocytic leukocyte; stains with either basic or acid dyes
eosinophil, eosinophile
a leukocyte readily stained with eosin
B cell, B lymphocyte
a lymphocyte derived from bone marrow that provides humoral immunity; it recognizes free antigen molecules in solution and matures into plasma cells that secrete immunoglobulin (antibodies) that inactivate the antigens
T cell, T lymphocyte
a small lymphocyte developed in the thymus; it orchestrates the immune system's response to infected or malignant cells
lymphoblast
an immature lymphocyte
plasma cell, plasmacyte
a cell that develops from a B lymphocyte in reaction to a specific antigen; found in bone marrow and sometimes in the blood
monoblast
a large immature monocyte normally found in bone marrow
microphage
a neutrophil that ingests small things (as bacteria)
Type of:
blood cell, blood corpuscle, corpuscle
either of two types of cells (erythrocytes and leukocytes) and sometimes including platelets
free phagocyte
a phagocyte that circulates in the blood

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