cellular substance

It is by some distinguished from necrobiosis as being a rapid death due to some definite cause, the latter being gradual and the result of retrograde proce es, ca's eous n., n. with the formation of a cheesy material such as occurs in tuberculosis, central n., n. involving the deeper portions of an organ, a bone, or other ti ue, coagula'tion n., a condition accompanying infarcts, especially of the kidney and spleen, the affected area being converted into a firm, rather homogeneous ma , the proce being one of coagulation of proteins of the part, simUar to, or identical with, that occurring in coagulation of blood-serum by a bacterial enzyme, colliq'- uative n., a condition in which necrotic ti ues become soft and almost fluid, of frequent occurrence in the central nervous ti ues, fat n., the death of circumscribed areas of fatty ti ue with the formation of whitish foci, fo'cal n., the occurrence of numerous small necrotic foci, usually in the course of various infections and intoxications, liquefac'tion n., colliquative. n. mummifica'tion n., dry gangrene.* n. progre'diens, progre ive sloughing, n. ustilagin'ea, gangrene caused by the long-continued use of ergot, progre 'ive empbysem'atous n., gas gangrene, gas phlegmon.* sim'ple n., the occurrence of a hyaline or granular change in the protoplasm with disappearance of the nucleus, the general outlines of the dead ti ue being more or le unchanged, to'tal n., death of an entire organ, bone, or other part. Zen'- ker's n., Zenker's degeneration.