Tracheary elements, including vessel elements, tracheids and fibres, are important members of secondary xylem in vascular plants.
管状分子是维管植物次生木质部的主要组成成分,包括导管,管胞和木质部纤维三种类型。
参考来源 - 基部被子植物关键类群的管状分子研究The vessel elements can also be included as: both slopes, only one slope andno slope. All the intervascular pittings are alternate pitting, with the pit orifice being theslit shape abduction and partly synthesized.
导管分子之间纹孔均为互列纹孔式，纹孔口缝隙状外展，部分合生。
参考来源 - 两种柑橘体细胞杂种砧木资源与主要砧木类型根系解剖结构的比较研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Study on the different types of inclusion in vessel elements of glycine l.
大豆属植物导管分子中不同类型内含物的研究。
These results indicate peach scion had a certain impact on the type and diameter of vessel elements in root system of stock.
这意味着桃树接穗对砧木根系导管分子的类型与直径产生了一定的影响。
The vessel elements of secondary xylem in Tectona grandis are observed and studied by cell image analysis system and micrography.
运用细胞图象分析系统及显微照相的方法对柚木次生木质部导管分子进行了观察研究。
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