| 单词 | pit cavity |
| 释义 | > as lemmaspit cavity pit cavity n. Botany the space within a pit (sense 16), extending from the pit membrane to the pit aperture. 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- 1884 Philos. Trans. 1883 (Royal Soc.) 174 834 The pit membranes..have distinctly swollen, and..have increased the distance from one another of the ends of the protoplasmic processes projecting into the pit cavity. 1953 K. Esau Plant Anat. iii. 41 In the bordered pit the secondary wall arches over the pit cavity. 1991 Bot. Gaz. 152 233/2 The single file of raised oval structures..are casts of the pit cavities left behind after removal of the secondary wall. < as lemmas |
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