单词 | idioplasm |
释义 | > as lemmasidioplasm idioplasm n. Brit. /ˈɪdɪə(ʊ)ˌplaz(ə)m/ , U.S. /ˈɪdiəˌplæz(ə)m/ [after German Idioplasma ( C. von Nägeli Mechanisch-physiologische Theorie der Abstammungslehre (1884) i. 23] Biology (now historical) (Nägeli's term for) the special portion of protoplasm in a cell which is supposed to determine the character of the resulting organism.ΚΠ 1885 Amer. Naturalist 19 1224 Nägeli calls that substance idio-plasm, which controls or determines the specific characters of the cell. 1942 H. S. Reed Short Hist. Plant Sci. xi. 157 Nägeli's theory of the idioplasm has now mainly an historical interest because of his attempt to relate the structure of protoplasm to phylogeny. 2003 L. Moss What Genes can't Do i. 31 Nägeli proposed the existence of an ‘idioplasm’,..consisting of nested, hierarchically organized, particulate units that directed development. < as lemmas |
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