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百科
管胞 [guǎn bāo]
[植] tracheid
- 轴向管胞之间、轴向管胞与射线薄壁细胞之间、轴向管胞与射线管胞之间，均有不同类型的纹孔对。
There are different types of pit-pair between the axial tracheids. the axial tracheid and the ray parenchyma, the axial tracheid and the ray tracheid. - 管胞的细胞壁高度木质化，相邻管胞之间的仅有的连接通过集中位于端壁的成对存在的纹孔。
Tracheids have heavily lignified walls and the only connection between adjacent tracheids is through paired pits, which are mainly concentrated in the end walls. - 研究分析了不同林分人工林赤松木材的生长轮基本密度和管胞长度、管胞宽度及管胞长宽比等管胞形态特征的变异。
The variations of wood basic density and tracheid length, tracheid width, ratio of tracheid length and width of Pinus densiflora plantation in different stands were studied in this paper.
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