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Agranulocyte

Index Agranulocyte

Agranulocytes, also known as mononuclear leukocytes, are white blood cells with a one-lobed nucleus. [1]

18 relations: B cell, Basophil, Cell nucleus, Cellular differentiation, Circulatory system, Cytoplasm, Eosinophil, Granule (cell biology), Granulocyte, Lymphatic system, Lymphocyte, Macrophage, Monocyte, Natural killer cell, Neutrophil, Reference ranges for blood tests, T cell, White blood cell.

B cell

B cells, also known as B lymphocytes, are a type of white blood cell of the lymphocyte subtype.

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Basophil

Basophils are a type of white blood cells.

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Cell nucleus

In cell biology, the nucleus (pl. nuclei; from Latin nucleus or nuculeus, meaning kernel or seed) is a membrane-enclosed organelle found in eukaryotic cells.

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Cellular differentiation

In developmental biology, cellular differentiation is the process where a cell changes from one cell type to another.

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Circulatory system

The circulatory system, also called the cardiovascular system or the vascular system, is an organ system that permits blood to circulate and transport nutrients (such as amino acids and electrolytes), oxygen, carbon dioxide, hormones, and blood cells to and from the cells in the body to provide nourishment and help in fighting diseases, stabilize temperature and pH, and maintain homeostasis.

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Cytoplasm

In cell biology, the cytoplasm is the material within a living cell, excluding the cell nucleus.

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Eosinophil

Eosinophils sometimes called eosinophiles or, less commonly, acidophils, are a variety of white blood cells and one of the immune system components responsible for combating multicellular parasites and certain infections in vertebrates. Along with mast cells and basophils, they also control mechanisms associated with allergy and asthma. They are granulocytes that develop during hematopoiesis in the bone marrow before migrating into blood, after which they are terminally differentiated and do not multiply. These cells are eosinophilic or "acid-loving" due to their large acidophilic cytoplasmic granules, which show their affinity for acids by their affinity to coal tar dyes: Normally transparent, it is this affinity that causes them to appear brick-red after staining with eosin, a red dye, using the Romanowsky method. The staining is concentrated in small granules within the cellular cytoplasm, which contain many chemical mediators, such as eosinophil peroxidase, ribonuclease (RNase), deoxyribonucleases (DNase), lipase, plasminogen, and major basic protein. These mediators are released by a process called degranulation following activation of the eosinophil, and are toxic to both parasite and host tissues. In normal individuals, eosinophils make up about 1–3% of white blood cells, and are about 12–17 micrometres in size with bilobed nuclei. While they are released into the bloodstream as neutrophils are, eosinophils reside in tissue They are found in the medulla and the junction between the cortex and medulla of the thymus, and, in the lower gastrointestinal tract, ovary, uterus, spleen, and lymph nodes, but not in the lung, skin, esophagus, or some other internal organs under normal conditions. The presence of eosinophils in these latter organs is associated with disease. For instance, patients with eosinophilic asthma have high levels of eosinophils that lead to inflammation and tissue damage, making it more difficult for patients to breathe. Eosinophils persist in the circulation for 8–12 hours, and can survive in tissue for an additional 8–12 days in the absence of stimulation. Pioneering work in the 1980s elucidated that eosinophils were unique granulocytes, having the capacity to survive for extended periods of time after their maturation as demonstrated by ex-vivo culture experiments.

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Granule (cell biology)

In cell biology, a granule is a small particle.

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Granulocyte

Granulocytes are a category of white blood cells characterized by the presence of granules in their cytoplasm.

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Lymphatic system

The lymphatic system is part of the vascular system and an important part of the immune system, comprising a network of lymphatic vessels that carry a clear fluid called lymph (from Latin, lympha meaning "water") directionally towards the heart.

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Lymphocyte

A lymphocyte is one of the subtypes of white blood cell in a vertebrate's immune system.

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Macrophage

Macrophages (big eaters, from Greek μακρός (makrós).

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Monocyte

Monocytes are a type of leukocyte, or white blood cell.

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Natural killer cell

Natural killer cells or NK cells are a type of cytotoxic lymphocyte critical to the innate immune system.

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Neutrophil

Neutrophils (also known as neutrocytes) are the most abundant type of granulocytes and the most abundant (40% to 70%) type of white blood cells in most mammals.

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Reference ranges for blood tests

Reference ranges for blood tests are sets of values used by a health professional to interpret a set of medical test results from blood samples.

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T cell

A T cell, or T lymphocyte, is a type of lymphocyte (a subtype of white blood cell) that plays a central role in cell-mediated immunity.

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White blood cell

White blood cells (WBCs), also called leukocytes or leucocytes, are the cells of the immune system that are involved in protecting the body against both infectious disease and foreign invaders.

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Redirects here:

Agranulocytes, Leukocytes, mononuclear, Mononuclear cell, Mononuclear leucocyte, Mononuclear leucocytes, Mononuclear leukocyte, Mononuclear leukocytes.

References

[1] https://en.wikipedia.org/wiki/Agranulocyte

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