单词 | cell substance |
释义 | > as lemmascell substance cell substance n. [after German Zellsubstanz (1829 or earlier)] Biology †(a) the (supposed) substance from which cells develop; an instance of this (obsolete); (b) the constituent matter of a cell, (in later use) esp. the cytoplasm; (also) (as a count noun) any substance found in a cell. ΚΠ 1842 London & Edinb. Monthly Jrnl. Med. Sci. Oct. 886 The basis is a membrance of extreme tenacity..possessing the power of forming from that blood a whitish ‘cell-substance’, which is deposited in a layer around it. 1847 H. Smith tr. T. Schwann Microsc. Res. Animals & Plants 209 The cell-substance is..soluble in the cytoblastema, and crystallizes from it, so soon as the latter becomes saturated with it. 1874 A. E. J. Barker tr. H. Frey Histol. & Histochem. of Man 66 This primordial cell-substance is known at the present day by the name protoplasm. 1950 T. Caspersson Cell Growth & Cell Function iii. 61 There are two groups of cell substances that are more easily studied by microspectrographic procedures than any others. These are the proteins..and the polynucleotides. 2006 Alberni Valley (Brit. Columbia) Times (Nexis) 29 Nov. (Health section) 5 The paramount importance of the inorganic constituents of the cell substance was recognized. < as lemmas |
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