单词 | cytoplasm |
释义 | cytoplasmn. Biology. The contents (protoplasm) of a cell, exclusive of the nucleus; an example or type of this (rare). In early use also: †protoplasm generally (obsolete). ΘΚΠ the world > life > biology > substance > cell > cell substance > [noun] > protoplasm or cytoplasm biogen1848 protoplasm1848 protoplast1851 matrix1854 cytoplasm1857 plasma1863 bioplasm1869 plasmogen1888 morphoplasm1893 periplasm1925 1857 Q. Jrnl. Microsc. Sci. 5 144 They [sc. gonidia] represent, as it were, a cytoplasma liberated from the envelopes. 1870 G. Rolleston Forms Animal Life Introd. p. clx The greater part, or even the whole of the body of a Protozoon, may consist simply of Protoplasm, s. Cytoplasm, s. Sarcode. 1889 Nature 24 Oct. 624 The embryo is developed from the whole of the nucleus and more or less of the cytoplasm of the ovum. 1906 Cambr. Nat. Hist. I. 30 In many Sarcodina and some Sporozoa the nucleus gives off small fragments into the cytoplasm or is resolved into them. 1937 Life 13 Sept. 70/1 The cytoplasm is supposedly sterile matter. 1956 R. Carrington Guide Earth Hist. (1958) ix. 89 Feeding is equally simple, minute particles of animal and vegetable matter being surrounded on each side by pseudopods and then incorporated into the cytoplasm. 1994 N.Y. Times 22 Nov. c3/2 A picorna virus commandeers protein-synthesizing machinery inside a cell's cytoplasm. 2008 New Scientist 26 Apr. 29/3 Iridophores combine platelets of a protein called reflectin with layers of cytoplasm to produce iridescent reflections rather like those of butterfly wings. Derivatives cytoplasˈmatic adj. [probably after German cytoplasmatisch (1885 or earlier)] = cytoplasmic adj. ΘΚΠ the world > life > biology > substance > cell > cell substance > [adjective] > protoplasm or cytoplasm protoplasmic1854 protoplastic1855 sarcode1855 sarcodic1864 sarcodal1869 bioplasmic1870 protoplasmatic1872 plasmic1876 cytoplasmic1885 protoplasmal1885 cytoplasmatic1893 intracytoplasmic1916 1893 Jrnl. Royal Microsc. Soc. 766 The rest of the cell is filled with a cytoplasmatic network. 1961 R. D. Baker Essent. Pathol. iv. 54 This condition is known as cloudy swelling, an enlargement of cells caused by an increase in water content and cytoplasmatic granulation. 2004 Injury 36 695/2 Apoptosis is characterized morphologically by cell shrinking, with cytoplasmatic condensation (apoptotic bodies), nuclear condensation (pycnosis) and DNA-fragmentation. This entry has been updated (OED Third Edition, November 2010; most recently modified version published online March 2022). < n.1857 |
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