| 单词 | pit pair |
| 释义 | > as lemmaspit pair pit pair n. Botany a structure composed of two pits in adjacent cell walls, separated only by the pit membranes and often serving in the exchange of liquids and gases between cells. 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- 1933 Tropical Woods 36 5 Pit-pair, two complementary pits of adjacent cells. 1933 Tropical Woods 36 10 Tylosis, a proliferation of the protoplast of a parenchymatous cell through a pit-pair into the lumen of an adjacent vessel or tracheid. 1989 Bot. Jrnl. Linn. Soc. 100 324 Pit pairs on the vessel member walls are important structures that regulate the flow of liquid and gases in the living tree. < as lemmas |
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