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colliquative necrosis |
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necrosis /ne·cro·sis/ (nĕ-kro´sis) pl. necro´ses [Gr.] the morphological changes indicative of cell death caused by progressive enzymatic degradation; it may affect groups of cells or part of a structure or an organ. aseptic necrosis necrosis without infection, usually in the head of the femur after traumatic hip dislocation. Balser's fatty necrosis gangrenous pancreatitis with omental bursitis and disseminated patches of necrosis of fatty tissues. caseous necrosis cheesy n. central necrosis that affecting the central portion of an affected bone, cell, or lobule of the liver. cheesy necrosis that in which the tissue is soft, dry, and cottage cheese–like; most often seen in tuberculosis and syphilis. coagulation necrosis necrosis of a portion of some organ or tissue, with formation of fibrous infarcts, the protoplasm of the cells becoming fixed and opaque by coagulation of the protein elements, the cellular outline persisting for a long time. colliquative necrosis that in which the necrotic material becomes softened and liquefied. contraction band necrosis a cardiac lesion characterized by hypercontracted myofibrils and contraction bands and mitochondrial damage, caused by calcium influx into dying cells resulting in arrest of the cells in the contracted state. fat necrosis that in which the neutral fats in adipose tissue are split into fatty acids and glycerol, usually affecting the pancreas and peripancreatic fat in acute hemorrhagic pancreatitis. liquefaction necrosis colliquative n. phosphorus necrosis necrosis of the jaw bone due to exposure to phosphorus. postpartum pituitary necrosis necrosis of the pituitary during the postpartum period, often associated with shock and excessive uterine bleeding during delivery, and leading to variable patterns of hypopituitarism. subcutaneous fat necrosis induration of the subcutaneous fat in newborn and young infants. necrosis ustilagi´nea dry gangrene due to ergotism. Zenker's necrosis see under degeneration.
necrosis pl. necroses [Gr.] the morphological changes indicative of cell death caused by enzymatic degradation. aseptic necrosis necrosis without infection or inflammation. caseous necrosis necrosis in which the tissue is soft, dry and cheesy, occurring typically in tuberculosis. central necrosis necrosis affecting the central portion of an affected bone, cell or lobule of the liver. cheesy necrosis that in which the tissue resembles cottage cheese; most often seen in tuberculosis. coagulation necrosis death of cells, the protoplasm of the cells becoming fixed and opaque by coagulation of the protein elements, the cellular outline persisting for a long time. colliquative necrosis see liquefactive necrosis (below). liquefactive necrosis necrosis in which the necrotic material becomes softened and liquefied. moist necrosis necrosis in which the dead tissue is wet and soft. Zenker's necrosis hyaline degeneration and necrosis of striated muscle; called also Zenker's degeneration. 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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