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white blood cell |
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white blood cell: see blood blood, fluid pumped by the heart that circulates throughout the body via the arteries, veins, and capillaries (see circulatory system ; heart ). An adult male of average size normally has about 6 quarts (5.6 liters) of blood. ..... Click the link for more information. . leukocyteor white blood cell or white corpuscleAny of several types of blood cells that help defend the body from infection. The different mature forms—granulocytes, including neutrophils (heterophils), basophils, and eosinophils; monocytes, including macrophages; and lymphocytes—have different functions, including ingesting bacteria, protozoans, or infected or dead body cells; producing antibodies; and regulating the action of other leukocytes. They act mostly in the tissues and are in the bloodstream only for transport. Blood normally contains 5,000–10,000 leukocytes per cu mm. |
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Proinflammatory cytokines (eg, TNF-[alpha], IL-6) released by HIV-infected immunocytes, or by the adipocytes themselves when exposed to these HIV-infected cells, may lead to increased apoptosis (programmed cell death). His research focuses on interactions between tumor cells and tumor microenvironmental factors such as components of the extracellular matrix, cytokines and immunocytes, and the involvement of such interactions in tumor progression and metastasis formation. It is widely believed that the stimulation of a greater number of immunocytes at the primary site of infection would provide important benefits for protecting against the majority of human pathogens. |
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