periderm的例句大全

The former two mechanisms gave only temporary protection to the tapping cut and the cut could not be protected completely and efficiently until the wound periderm was finally formed.

前两种防卫机制的作用是暂时的，只有最后创伤周形成时，树皮伤口才能得到充分有效的保护。

The results showed that all the cross branch roots of different sizes consisted of periderm, secondary vascular tissue and tetrarch primary xylem.

结果表明：不同直径大小的横走侧根均由周皮、次生维管组织和四原型的初生木质部构成。

Therefore, the secondary structure included periderm, pericyclic parenchyma tissue and secondary vascular tissue from the outside to the inside of taproots of Bupleurum chinense DC.

因此，北柴胡根的次生结构从外到内由周皮、中柱鞘薄壁细胞环和次生维管组织组成。

the biennial rhizome of d. zingiberensis is composed of three parts: the periderm, the ground tissue and the vascular bundle.

盾叶薯蓣的二年生根状茎主要由三部分组成：周皮、基本组织和散生在基本组织中的维管束。

While for older roots, there are periderm, secondary phloem, cambium, secondary xylem and primary xylem. In root, the duct caliber of xylem in Akebia quinata ( Thunb.) Decne.

老根由外向内依次为：周皮、次生韧皮部、形成层、次生木质部、初生木质部。在根中五叶木通木质部导管口径比三叶木通的大很多。

About 15 days after girdling, a cork cambium developed near the surface of callus, then developed normal periderm rapidly.

大约15天左右在愈伤组织近表面细胞中发生木栓形成层，以后迅速形成正常的周皮。