纹孔(pit)就是植物细胞的细胞壁上,未经次生加厚而留下的凹陷。初生细胞壁随细胞的生长而扩大,由原生质体产生的纤维素不断添加到初生壁上,但细胞壁的加厚并不是均匀的。很多地方留下没有增厚的空隙。
... tupelogumNyssasylvaticaMarsh.美国紫树 tupfel纹孔 TurbairvacuumsystemTurbair真空操作集中控制系统 ...
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... pilot's porthole 引航员窗孔 pit cinclide cinclis porthole 纹孔 porthole and porthole mat muller 汽门与汽门座研磨机 ...
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Simple pit on fiber cell wall formed by CMfs of primary wall sunk on the area of primary pits field. CMfs of each secondary wall surrounded Simple pit to an oval.
纤维单纹孔由初生壁CMfs在初生纹孔场区域凹陷形成,各层次生壁CMfs围绕纹孔排列形成椭圆形,纹孔长轴随着次生壁每层CMfs排列的主方向变化。
参考来源 - 毛竹发育过程中细胞壁形成的研究·2,447,543篇论文数据,部分数据来源于NoteExpress
开孔漆、封闭漆开孔漆就是涂刷油漆后仍然留有木材的纹孔;
Pit hole hole, closed paint paint paint is paint after still have wood;
薄壁细胞向内生长的泡状物通过纹孔伸入相邻的管胞或导管形成的结构。
Tylose a bladder like ingrowth from a parenchyma cell into an adjacent tracheid or vessel through a paired pit.
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.
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