单词 | raphide sac |
释义 | > as lemmasraphide sac raphide sac n. ΚΠ 1884 F. O. Bower & D. H. Scott tr. H. A. de Bary Compar. Anat. Phanerogams & Ferns i. vii. 220 In the diaphragms of the petiole of Pontederia..there are found, besides the raphide sacs, others, of spindle-like shape. 1914 M. Drummond tr. G. Haberlandt Physiol. Plant Anat. x. iii. 534 The layered plates of parenchyma that make up the ventilating tissue (aërenchyma) of the leaf of Pistia Stratiotes, are traversed at frequent intervals by spindle-shaped raphide-sacs. 1985 Bot. Gaz. 146 375/2 Crystal sacs occur solely in the mesophyll. They are either raphide sacs.., styloid sacs.., or sacs containing crystals intermediate in form between raphides and styloids. < as lemmas |
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