对叶片横切切片观察发现角质层的堆积疏松，并且细胞壁厚度不规则。
Cross-sectioning reveals loose packing of the cuticle and irregular thickness of cell wall.
分别测量了离析后叶中肋细胞的长度、宽度和细胞壁厚度及纹孔场数目。
The length and width of cells, the thickness of cell walls and numbers of pit fields of the leaf costa were measured.
空心块茎环髓区细胞壁厚度比健康块茎的厚，而心髓区细胞壁厚度则比健康块茎的薄；
But outer pith cell of hollow center potato was bigger than that of normal one, and the cell wall was thicker. But the wall of pith cell was thiner than that of normal one.
应用推荐