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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. white blood cell [′wīt ′bləd ‚sel] (histology) How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Serono, who makes the disease-modifying drug, Rebif, launched a phase 3 study of oral cladribine, a drug that reduces immune cell levels. The two partners have confirmed that a memory T-cell, a type of immune cell, controls the production of interleukin-4 (IL-4), an in vivo protein that plays a role in allergic reactions. Since then, the scientists have examined the immune cells that swarm to cancer cells injected into the cancer-resistant animals. |
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