薄壁细胞

木质部是由木薄壁细胞、木纤维和管状分子（trachearyelement，TE）组成的，管状分子TE是一种高度特化的细胞。

Xylem is constructed by xylem parenchyma , xylon and tracheary element ( TE ) which is a kind of cell of specialization .

结果表明：沙柳主要由导管、木纤维、木射线薄壁细胞及少量轴向薄壁细胞组成。

The cells are of four types : vessel , fibre , ray parenchyma and axial parenchyma .

钾营养对甘薯块根薄壁细胞微结构、~（14）C同化物分配和产量的影响

Effects of potassium on the parenchyma cell structure of storage root , the distribution of ~ ( 14 ) C photosynthates and yield in sweet potato

M99上的外植体，胚珠内尤其是珠心组织中DNA、RNA含量增加，薄壁细胞内DNA含量逐渐减少；

In explants of M99 , DNA and RNA content increased in ovules , especially in nucellus .

这说明，pH值为5.8的酸性培养基和喜树叶片薄壁细胞内的酸性成分自泌可能共同诱导了其细胞壁的酸性降解。

This indicated the medium of pH 5.8 and the secretory acid component in parenchyma cell in C. acuminata leaf both induced the cell wall degradation .

魔芋叶柄薄壁细胞在脱分化形成愈伤组织过程中，其内源激素（IAA、GA3、ABA和JA）含量发生了明显的变化。

During the course of petiole parenchyma cells to form callus , the contents of endogenous hormones ( IAA , GA3 , ABA and JA ) changed obviously .

SKC1在木质部导管周围的薄壁细胞特异表达。

SKC1 is preferentially expressed in the parenchyma cells surrounding the xylem vessels .

无论蛋白细胞发生在直立射线薄壁细胞中，还是横卧射线薄壁细胞或径向片薄壁细胞中，它们的ATP酶和酸性磷酸酯酶活性都显著地高于普通射线薄壁细胞。

When the activity of ATPase was tested at pH7.2 using sodium adenosine triphosphate as substrate , the increased activity was found in albuminous cells , whether among erect ray parenchyma cells or among procumbent ray parenchyma cells and radial plate parenchyma cells .

切片观察显示：在NAA诱导24h时，下胚轴切段维管柱中靠近外韧皮部外侧的薄壁细胞发生变化，细胞质变浓，细胞核变大，部分细胞分裂并形成分生组织结节；

The earliest anatomic changes were observed on cut surface of hypocotyl segments under optical microscope 24 h after NAA treatment : cytoplasmic and nuclear density became higher in a few of parenchyma cells adjacent to external phloem , followed by cell divisions and meristematic nodule formation ;

杨树树皮储藏蛋白BSP是类似种子储藏蛋白的氮素储藏物，冬季在韧皮部薄壁细胞中大量积累，是落叶树氮代谢中的重要成分。

Bark storage protein ( BSP ) of poplar , a nitrogen reserve similar to seed storage protein , plays an important role in the nitrogen metabolism of deciduous trees . They present in large quantities in the phloem parenchyma cells in winter .

通过组织解剖观察可见，受SO2伤害后，葡萄果皮的蜡质晶体结构受到SO2侵蚀而破坏，蜡层变薄，果肉薄壁细胞和亚表皮细胞发生变形，最后破碎，但表皮细胞保持相对完整。

Through the histological anatomy , the results showed that the wax crystal structure was destroyed by SO2 , the wax layer became thin , the cells of flesh and sub-epidermis were out of shape and broke into pieces completely at last , but the epidermis cells kept relatively complete .

中柱鞘具1&3层薄壁细胞。

The pericycle has 1 & 3 layers of parenchymatous cells .

根的次生韧皮部则由筛胞和韧皮薄壁细胞组成。

The secondary phloem consisted of sieve cells and phloem parenchymas .

皮层和髓中的薄壁细胞富含针晶。

Thin-walled cells of cortex and pulp are rich in rhaphides .

薄壁细胞的形状及细胞壁增厚程度；

Cell shape and wall thickness of parenchyma cell s ;

内种皮由1层砖形薄壁细胞构成。

The endotesta consists of one layer of brick shipped parenchymatous cells .

因此，我们把含有蛋白质内含物的次生韧皮薄壁细胞和木质部中的各种细胞看作是荔枝的贮藏蛋白质细胞。

So , we refered the cells as protein-storing cells .

叶柄薄壁细胞存在晶体，叶柄的导管管径比较大，有大量的通气组织。

The crystals exist in parenchyma cells of its petioles .

基本组织都由薄壁细胞组成；

The ground tissue is composed of parenchyma cells ;

草莓果实薄壁细胞超微结构的电镜观察

TEM observation on the ultra-microstructure of the thin wall cell in the strawberry

薄壁细胞不断分裂，形成不定根原基发端细胞；

Continually increase of Vascular cambium cells and formation of a root initial ;

根、茎、叶中都有大型的薄壁细胞。

There are large parenchyma cells in the root , stem and leaf .

果皮较薄，由2～3层薄壁细胞组成。

The pericarp which contained 2 to 3 layers of parenchyma cells is thin .

在薄壁细胞中发现了比较多的晶体。

Many crystals are found in parenchyma cells .

假种皮膜质，由5～7层薄壁细胞构成。

The membranous aril contains 5-7 parenchymatous cells .

茎的韧皮部及皮层薄壁细胞中也有大量萜类甾类物质存在。

In the stem , terpene and steroid also exist in phloem and cortex .

叶脉维管束外薄壁细胞和部分导管中有黄棕色橙皮苷结晶。

Yellowish-brown hesperidin crystals are found in vessel and Parenchyma cells outside the vascular bundle .

松材线虫病早期寄主薄壁细胞死亡方式的研究

A Study on the Manner of Host Parenchymatous Cells Death in Forepart Pine Wilt Disease

洋葱鳞茎薄壁细胞原生质体胞质肌动蛋白质微丝骨架的形态与结构

Morphology and structure of cytoplasmic actin microfilament skeleton in onion protoplasts of bulb parenchyma cells

此外，在无功能韧皮部中由部分薄壁细胞分化形成石细胞群，并有部分乳汁道腔内形成拟侵填体堵塞乳汁道。

Moreover , part of the parenchyma cells formed into stone cells cluster in non-functional phloem .