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White blood cells


White blood cells (a.k.a. leukocytes) are cells which form a component of the blood. They are produced in the bone marrow and help to defend the body against infectious disease and foreign materials as part of the immune system.
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White blood cells (also called leukocytes or immune cells) are a component of blood. They help to defend the body against infectious disease and foreign materials as part of the immune system.
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white blood cells that are members of the immune system
Source: Jenkins, John B. 1990. Human Genetics, 2nd Edition. New York: Harper & Row
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White blood cells known as lymphocytes arise from by mitosis of stem cells in the bone marrow. Some lymphocytes migrate to the thymus and become T cells that circulate in the blood and are associated with the lymph nodes and spleen.
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White Blood Cells (leukocytes)
White blood cells
are much less numerous than red (the ratio between the two is around 1:700),
have nuclei,
participate in protecting the body from infection, ...
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white blood cells: see leukocytes.
X
xylem: the structure of vascular plants that conducts water and minerals upward from the roots.
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Large white blood cells that contribute to the immune defenses by ingesting microbes, other cells, and foreign particles. The two principal phagocytes are neutrophils and monocytes.
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Leukocyte white blood cells
(leuco = white; cyto = cell)
Leucocytosis an increase in the number of WBCs
(leuco = white; -osis = condition of) ...
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eosinophil White blood cells characterized by the presence of cytoplasmic granules that become stained by an acid dye.
eosinophilia Elevated eosinophil count in the circulating blood; commonly associated with chronic parasite infections.
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People with this disease are susceptible to infections because their white blood cells do not produce an enzyme needed by their immune systems. This disease has been treated in two different ways.
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Chemokines are molecular signals released by cells of the immune system that stimulate white blood cells to move to inflamed tissues. They are metaphoric "cries for help." The chemokines bind to receptors located on the white blood cells.
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Cellular immunity is based on the interaction of MHC proteins found on surfaces of circulating cells and T lymphocytes (white blood cells that pass through the thymus gland during maturation).
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A type of prostaglandin produced by various white blood cells involved in the inflammatory and immune responses and in allergic reactions.
lichen
(ly-ken) ...
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Cancer of the developing blood cells in the bone marrow. Leukemia leads to rampant overproduction of white blood cells (leukocytes); symptoms usually include anemia, fever, enlarged liver, spleen, and/or lymph nodes.
explained: ...
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