white tumor
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White blood cell — White Blood Cells redirects here. For the album by The White Stripes, see White Blood Cells (album). White blood cell A scanning electron microscope image of normal circulating human blood. In addition to the irregularly shaped leukocytes, both… … Wikipedia
tumor necrosis factor — n a protein that is produced chiefly by monocytes and macrophages in response esp. to endotoxins, that mediates inflammation, and that induces the destruction of some tumor cells and the activation of white blood cells abbr. TNF * * * (TNF)… … Medical dictionary
Tumor infiltrating lymphocyte — Tumor infiltrating lymphocytes are white blood cells that have left the bloodstream and migrated into a tumor. External links * [http://www.cancer.gov/Templates/db alpha.aspx?CdrID=45329 Tumor infiltrating lymphocyte] entry in the public domain… … Wikipedia
tumor necrosis factor — noun Date: 1975 a protein that is produced chiefly by monocytes and macrophages in response especially to endotoxins and that mediates inflammation and induces the destruction of some tumor cells and the activation of white blood cells … New Collegiate Dictionary
tumor infiltrating lymphocyte — A white blood cell that has left the bloodstream and migrated into a tumor … English dictionary of cancer terms
tumor necrosis factor — TNF. A protein made by white blood cells in response to an antigen (substance that causes the immune system to make a specific immune response) or infection. TNF can also be made in the laboratory. It may boost a person’s immune response, and… … English dictionary of cancer terms
tumor necrosis factor — noun a proinflammatory cytokine that is produced by white blood cells (monocytes and macrophages); has an antineoplastic effect but causes inflammation (as in rheumatoid arthritis) • Syn: ↑tumour necrosis factor, ↑TNF • Hypernyms: ↑cytokine * * * … Useful english dictionary
tumor — 1. Any swelling or tumefaction. 2. SYN: neoplasm. 3. One of the four signs of inflammation (t., calor, dolor, rubor) enunciated by Celsus. [L. t., a swelling] acinar cell t. a … Medical dictionary
Brain tumor — Classification and external resources Brain metastasis in the right cerebral hemisphere from lung cancer shown on T1 weighted magnetic resonance imaging with intravenous contrast … Wikipedia
Circulating tumor cell — Circulating tumor cells (CTCs) are cells that have detached from a primary tumor and circulate in the bloodstream. CTCs may constitute seeds for subsequent growth of additional tumors (metastasis) in different tissues. In 1869 Thomas Ashworth… … Wikipedia
