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Before xylem mother cells reactivated completely , the dividing fusiform cells in cambium and new phloem cells ha .

在木质部母细胞完全恢复活动之前,形成层纺锤状原始细胞的分裂和韧皮部细胞的分化已经开始。

Before xylem mother cells reactivated completely, the dividing fusiform cells in cambium and new phloem cells had appeared at the same time.

在木质部母细胞完全恢复活动之前,形成层纺锤状原始细胞的分裂和韧皮部细胞的分化已经开始。

The Cork was consisted of five or six layer long cells. The secondary phloem occupied 46% of the diameter of root, and the parenchymas cell was abundant of the inclusions. The secondary xylem consisted of vessel, xylary radial ,and a little of xylary parenchyma cells. Some segment of hypha, swelled hypha, pelotons and conidiophore were colonied in cork and secondary phloem.

周皮由木栓层,木栓形成层和栓内层组成,其中木栓层由5~6 列长形细胞组成;维管组织中次生韧皮部所占根径的比例达46%,其薄壁细胞中内含物较丰富,次生木质部中分布有导管和木射线及少量木薄壁组织;在格木木栓层和次生韧皮部中分布有菌丝片段、膨大的菌丝和菌丝团及分生孢子。

In contrast to xylem components , sieve tube elements have nonlignified cell walls , and a living enucleate without a nucleus protoplast .

与木质部组分不同,筛管分子具有未木质化的细胞壁,没有核但有活的原生质体,因此是活细胞。

After taking a study of morphological anatomy on the goosefoot nutritive organ, we foud the goosefoot 's xylem in the roots is developed and the caliber is big.

对藜的营养器官进行了形态解剖学研究,结果发现:藜的根中木质部发达,导管数量多,口径大

Experiments of plant tolerance to Pb indicated that the stem phloem of woody .

这两个树种的茎木质部和根的富铅性差异明显。

Actinostele A rype of protostele in which the xylem is star shaped and the phloem lies between the points of the star.

星状中柱:原生中柱的一种类型。木质部是星形的,韧皮部位于星形之间。

Centrarch Denoting a protostsele in which protoxylem is at the center of the axis.

心始式:一种原生中柱的类型,在心始式中柱中,原生木质部位于轴的中央。

The xylem of ferns only contains tracheids.

蕨类植物的木质部只含有管胞。

The fiber average length of the phloem is 7.45mm and the fiber average length of the xylem is 0.58 mm.

明,人工种植构树韧皮部果胶含量较高,达11.67%;皮、杆的冷、热水抽出物及1%NaOH抽出物均比杨木高出几倍;韧皮部纤维平均长度为7.45 mm,而木质部仅为0.58 mm。

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