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General term for the type of cells of the immune system that are involved in protecting the body against both infectious disease and foreign invaders.
leukocytes
Leukocytes are formed in the _______ by a process of leukopoiesis
red bone marrow
___ or PMNs, are a special family of white blood cells that includes immune cells known as neutrophils, eosinophils, and basophils.
polymorphonuclear leukocytes
Type of leukocytes that can increase in number during an acute bacterial infection. These dead cells along with cell debris, and fluid can accumulate as pus at sites of infections
neutrophils
Immature neutrophils are sometimes called
bands
The type of large bone marrow cell that forms platelets
megakaryocytes
Type leukocyte that increase in number during an allergy attack
eosinophils
Type of leukocyte that help reduce the severity of allergy attacks by phagocytosing the immune complexes; kill parasites such as flatworms
eosinophils
Type of leukocyte that circulate in the blood and have granules that contain histamine - a vasodilator and heparin - an anticoagulant
basophil
The second most common type of leukocyte in a normal blood sample.
lymphocyte
The third most common type of leukocyte in a normal blood sample.
monocyte
The fourth most common type of leukocyte in a normal blood sample.
eosinophil
Type of agranular leukocyte with dark U or kidney-shaped nucleus
monocyte
Type of leukocyte that differentiates into plasma cells and secrete antibodies (immunoglobulins)
B lymphocyte
Type of leukocyte responsible for antibody-mediated or humoral immunity
B lymphocyte
Type of leukocyte that kill virus-infected and cancerous cells.
Cytotoxic T lymphocytes
