单词 | nucleoplasmic |
释义 | nucleoplasmicadj. Biology. 1. Of, relating to, or comprising the nucleoplasm of a cell. ΘΚΠ the world > life > biology > substance > cell > cell substance > [adjective] > protoplasm or cytoplasm > types or forms of nucleoplasmic1890 trophoplasmic1898 kinoplasmic1900 1890 in Cent. Dict. Nucleoplasmic, pertaining to or of the nature of nucleoplasm. 1892 F. P. Foster Illustr. Encycl. Med. Dict. IV. 2425 Nucleolus,..fine protoplasmic or nucleoplasmic fibrils. 1903 Bot. Gaz. 35 225 The currents produced by the rapid exit of water in response to the demand from without determine a uni-, bi-, or multipolar orientation of the nucleoplasmic framework. 1960 Evolution 16 105/1 Under the electron microscope, this nucleoplasmic mass has the appearance typical of nucleoplasm of higher organisms and is enclosed in a membrane. 1989 E. Lawrence Guide Mod. Biol. viii. 232 They form the nuclear lamina, a durable fibrous layer on the internal (nucleoplasmic) face of the inner envelope membrane. 2. = nucleocytoplasmic adj. at nucleo- comb. form 1b. Esp. in nucleoplasmic ratio. ΘΚΠ the world > life > biology > substance > cell > cell organelle or contents > [adjective] > having nucleus > nucleus and cytoplasm nucleocytoplasmic1905 nucleoplasmic1908 1908 Bot. Gaz. 46 232 R. Hertwig proposed an entirely new interpretation of synapsis, deduced from his theory of nucleoplasmic relation... After cell division, the increase of protoplasm and of nucleus cannot proceed equally, the former generally being ahead of the latter; so the nucleoplasmic quotient (K/P) tends to diminish. 1929 Bibliographia Genetica 5 153 Hertwig held that the quantative nucleo-plasmic relation is likewise connected with the differentiation of the two sexes, in individuals and gametes. 1936 Amer. Jrnl. Bot. 23 605/2 The nucleoplasmic ratio, or relationship between the volume of the nucleus and that of the cytoplasm, is difficult to determine in most plant cells because of the high degree of vacuolation. 1992 Amer. Jrnl. Bot. 79 176/1 At the callus periphery, highly meristematic cells were actively dividing (high nucleoplasmic ratio and cytoplasm with a particularly high soluble protein content). This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022). < adj.1890 |
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