皮层簿壁细胞多达80层以上，细胞内含丰富的淀粉粒；分泌腔常见。
The number of cortex parenchyma cells amounts to 80 layers, and the cells contain lots of starch grains and some secretory cavities.
叶柄的基本组织中具有裂生分泌腔，5~8束维管束呈弧形排列或散布在薄壁组织中；
There are 5~8 vascular bundles arranged in arch shape. Secretory cavities are present in the ground tissue of petiole.
IV型氯细胞为扁平状，细胞体积较小，具有较大的分泌腔，但微细小管系统不发达。
The IV-type chloride cell is a small squamous cell with large prominent crypt and underdeveloped tubule system.
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