(n) 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
(n) (pathology) gangrene that develops in the presence of arterial obstruction and is characterized by dryness of the dead tissue and a dark brown color, Syn.mummification, cold gangrene, mumification necrosis
‖n. [ NL., fr. Gr. ne`krwsis, fr. nekroy^n to make dead, to mortify, nekro`s a dead body. ] 1. (Med.) The pathologic death of part of a tissue due to irreversible damage. Contrast to necrobiosis, which is a normal death of cells in a tissue. Formerly, applied primarily to death of bone tissue. [ 1913 Webster +PJC ]
2. (Bot.) A disease of trees, in which the branches gradually dry up from the bark to the center. [ 1913 Webster ]
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เช่น Secretary of State=รัฐมนตรีต่างประเทศของสหรัฐฯ (ในภาพตัวอย่าง),
High school=โรงเรียนมัธยมปลาย
