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