木质部在维管束植物中的起支撑作用和输水作用的组织，主要由管胞和管道组成；
The supporting and water-conducting tissue of vascular plants, consisting primarily of tracheids and vessels; woody tissue.
栅栏组织富含含盐液泡泡，维管束鞘明显。
Palisade tissue is rich in saliferous vacuoles, while vascular bundle sheath is obvious.
包括根或茎的维管组织及相关薄壁组织，若有维管束鞘和内皮包被则这二者也属于中柱结构。
Stele the vascular tissue and associated parenchyma tissue and (if present) the surrounding pericycle and endodermis of a stem or root.
叶柄的基本组织中具有裂生分泌腔，5~8束维管束呈弧形排列或散布在薄壁组织中；
There are 5~8 vascular bundles arranged in arch shape. Secretory cavities are present in the ground tissue of petiole.
维管形成层向两侧延伸直至形成一个茎内的分生组织环，各个维管束被束间形成层联系在一起。
The vascular cambium extends to form a complete ring of meristematic tissue around the stem, the separate vascular bundles being linked by interfascicular cambium.
鸭跖草花梗顶部的维管束分布在中央的基本组织内。
Vascular bundles of the pedicel in flower of Commelina communis were scattered within central fundamental tissues.
它们的内部结构是由气道、不同大小的维管束、基本组织以及厚壁组织组成。
Their internal structures consist of air passages, vascular bundles of various size, ground tissues and sclerenchyma.
次生加厚分生组织起源于正常的散生维管束中柱外侧的薄壁组织细胞。
The secondary thickening meristem originated from the parenchyma cells, which were located the outside of the atactostele.
两相邻轮的异常维管束由3-6层切向溥壁结合组织细胞分隔；
There are 3 to 6 layers of tangential conjunctive parenchyma tissue calls between two rings of anomalous bundles.
据此，芦荟叶维管束内的大型薄壁细胞的来源与韧皮部相同，属于特化的韧皮部薄壁组织细胞。
So the aloin cells were special phloem parenchyma cells because they Shared the same origin with the other phloem cells.
细胞组织学研究表明，由外植体皮层细胞、韧皮部细胞及维管束周围细胞均可脱分化启动产生愈伤组织。
Histocytological observations on explants indicated that the callus was induced from cells of cortex, phloem and peripheral zone of vascular bundle.
细胞组织学研究表明，由外植体皮层细胞、韧皮部细胞及维管束周围细胞均可脱分化启动产生愈伤组织。
Histocytological observations on explants indicated that the callus was induced from cells of cortex, phloem and peripheral zone of vascular bundle.
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