| 单词 | pit field |
| 释义 | > as lemmaspit field pit field n. Botany = primary pit field n. at primary adj. and n. Compounds. ΘΚΠ the world > plants > part of plant > cell or aggregate tissue > [noun] > cell > parts of cell > cell wall and parts septum1720 pit1839 sieve-plate1875 sieve-pore1875 sieve-tube1875 anticlinal1882 periclinal1882 sieve-vessel1882 pit cavity1884 pit membrane1884 middle lamella1887 torus1887 tonoplast1895 pit canal1911 pit chamber1917 pit aperture1918 pit pair1933 pit field1934 margo1965 sieve-tissue- 1924 Philos. Trans. (Royal Soc.) B. 212 100 The pits in the ‘field’ are simple and vary from one to three in number.] 1934 S. J. Record Identification Timbers Temperate N. Amer. i. 24 A pit field may persist without the development of any pit-pairs on it, but usually there is one, often two, and sometimes three to six. 1976 P. Bell & D. Coombe tr. Strasburger's Textbk. Bot. (new ed.) 63 Where the pit fields are oval or elongated, the bordered pits take on a similar shape. 1997 Internat. Jrnl. Plant Sci. 158 101/2 All cells were surrounded by a cell wall whose thickness was related to its location..and to the presence of pit fields. < as lemmas |
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