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单词 hyperplasia
释义 hyperplasia Path.|haɪpəˈpleɪzɪə|
[mod.L., f. hyper- 5 + Gr. πλάσις formation, f. πλάσσειν to form. Cf. F. hyperplasie.]
A form of hypertrophy consisting in abnormal multiplication of the cellular elements of a part or organ; excessive cell-formation.
1861Bumstead Ven. Dis. (1879) 593 In either case hyper⁓plasia is the morbid process, but in scleroses the newly-formed cells persist..while in gummata they are eliminated.1873T. H. Green Introd. Pathol. 93 The increased nutritive activity of the elements, which leads to an increase in their size, leads also to an increase in their number, and to the formation of a new tissue, which is similar to that from which it originated:—this is termed numerical hypertrophy, or hyperplasia.
So ˈhyperplasm = prec.; hyperplasic |-ˈplæzɪk|, hyperˈplastic adjs., of, pertaining to, or exhibiting hyperplasia.
1873T. H. Green Introd. Pathol. 149 The new formation of lymphatic tissue is in the first place hyperplastic..subsequently, however, it may become heteroplastic.Ibid. 258 As the fever subsides, the hyperæmia diminishes, the hyperplastic process ceases.1876Gross Dis. Bladder 48 Epithelial hyperplasm, with epidermoid transformation.1886Syd. Soc. Lex., Hyperplasic.
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