| 单词 | pit aperture |
| 释义 | > as lemmaspit aperture pit aperture n. Botany an opening on the inner surface of a secondary cell wall, forming the entrance to a pit cavity. 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- 1918 Science 5 July 17/2 The outline of the pits, the pit-apertures, and other minute characters are preserved in every detail. 1953 K. Esau Plant Anat. iii. 44 The circular pit apertures in a bordered pit-pair appear exactly opposite each other. 1990 Plant Cell & Environment 13 427/1 The thickened tonus region of the membrane became displaced from its normal sealing position over the pit aperture. < as lemmas |
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