2. Leukocytes 2024
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Last updated 2:49 AM on 3/10/25
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21 Terms
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Leukocytes
White blood cells that play a key role in the immune response.
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Hematopoiesis
The process of blood cell formation and differentiation.
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Leukocytosis
An increased white blood cell count.
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Leukopenia
A decreased white blood cell count.
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Neutrophils
A type of white blood cell that is essential for fighting infections by phagocytosing pathogens.
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Eosinophils
A type of white blood cell that is involved in the allergic response and combating parasitic infections.
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Basophils
A type of white blood cell that plays a role in inflammatory responses and allergic reactions.
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Lymphocytes
White blood cells involved in the adaptive immune response, including B cells and T cells.
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Monocytes
A type of white blood cell that differentiates into macrophages and dendritic cells in tissues.
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Buffy coat
The white layer formed in a microhematocrit tube, containing white blood cells above the red blood cells layer.
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Microhematocrit tube
A device used to separate blood components by centrifugation to assess the white blood cell population.
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Differential cell count
A test that determines the percentage of different types of white blood cells in a sample.
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Phagocytosis
The process by which certain white blood cells engulf and digest microorganisms and foreign particles.
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Stem cell pool
The pool of undifferentiated cells in the bone marrow capable of giving rise to all blood cell types.
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Mitotic pool
A portion of the bone marrow containing actively dividing precursor cells of neutrophils.
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Corticosteroid response
The physiological response involving the release of corticosteroids, affecting leukocyte dynamics during stress.
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Left shift
An increased concentration of immature neutrophils (bands) in the blood, indicating acute inflammation.
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Right shift
An increased concentration of hypersegmented neutrophils in the blood, often seen in older neutrophil cells.
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Toxic change
Morphologic abnormalities in neutrophils indicating inflammation, such as less condensed chromatin and vacuolation.
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Eosinophilia
An increased number of eosinophils in the blood, often due to allergies or parasitic infections.
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Neutrophilia
An increased number of neutrophils in the blood, commonly seen in response to inflammation.
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Flashcards (42)