释义 |
DictionarySeenecrosisfocal necrosis
fo·cal ne·cro·sisoccurrence of numerous, relatively small or tiny, fairly well-circumscribed, usually spheroidal portions of tissue that manifest coagulative, caseous, or gummatous necrosis and are characteristically associated with agents that are hematogenously disseminated; frequently observed only in histologic sections, but the foci may be as large as 1-3 mm and macroscopically visible; arbitrarily, foci larger than that are usually not termed focal necrosis.fo·cal ne·cro·sis (fō'kăl nĕ-krō'sis) Occurrence of numerous small, well-circumscribed zones of tissue that manifest coagulative, caseous, or gummatous necrosis. focal necrosisNecrosis in small scattered areas, often seen in infection.See also: necrosis |