每个维管束的韧皮部外面有数层厚壁细胞，增加叶柄的机械支持作用。
There are some sclerenchymatous cells outside the phloem of each vascular bundle to increase the supporting force of the petiole.
厚壁细胞和薄壁细胞的细胞壁厚度减小，双折射也降低，并且细胞壁的分层现象变得不明显。
Reductions of cell wall thickness and birefringence were observed in both fiber (sclerenchyma) and parenchymal cells, together with blurring of the wall's layered structures.
与淹水条件相比，旱作条件下杂交稻根通气组织形成较迟，常规粳稻根皮层厚壁细胞排列较疏松。
Compared with inundatory condition, aerobic condition retarded the formation of aerenchyma of hybrid rice roots and made the cortex sclerenchymatous cells array loosely in conventional japonica root.
这种植物矮小，主干别处存在厚壁细胞，说明这种木材在生长过程中可以高效地把水从土壤中传输到植物上。
The plants' small size, as well as the presence of thick-walled cells elsewhere in the stems, suggests that wood evolved to efficiently transport water from the soil into the plant.
在厚壁休眠细胞如藻菌纲的厚孢子或接合子中明显的几层是常常能看见的。
Distinct layers are often visible in thick-walled resting cells such as chlamydospores or zygotes of phycomycetes.
厚角组织细胞尤其在细胞的各个角上具有厚壁。
Collenchyma cells have thick walls that are especially developed at the corners of the cell.
它表现为皮质纤维化、肾小球硬化、慢性炎细胞弥散侵润、动脉壁增厚；
The cortex is fibrotic, the glomeruli are sclerotic, there are scattered chronic inflammatory cell infiltrates, and the arteries are thickened.
合欢种皮侧缘厚壁(薄壁)细胞层中有维管束，它为种皮的发育提供水分与营养。
The vascular bundles in stereid layer or Parechymatous cell layer of lateral margin of its testa provide the testa development with water and nutrition.
首次观察到成熟腺毛头部为具有独特的内突生长的传递细胞，细胞为圆球形，细胞质稠密，细胞核大，内质网发达，液泡较小，细胞壁厚。
We first observed that the head ofmature tentacle contained transfer cells which were pellet shape, thickness cytoplast, large nucleolus, developing endoplasm, small vacuole and thick cell wall.
本文采用人造板微观力学和木材细胞学理论，提出了一种利用木纤维细胞壁厚的数学求解方法。
This paper adopts the theory of wood-based panel micro-mechanics and cytology, and puts forward mathematical calculated method of using xylogen thick of cellular wall.
结果：在药材粉末中发现一种新型纤维—其腔内细胞壁环纹增厚。
Result: a new type fiber-annulation thickening on intracavitary cell wall, was discovered in medical material power.
单片蜂窝是一个直径为50毫米和50毫米长圆柱形，蜂窝陶瓷的细胞密度分别为0.4毫米壁厚400平方米，每平方英寸的细胞。
Monolithic honeycomb was cylindrical with a diameter of 50 mm and a length of 50 mm; the cell densities of the ceramic honeycombs were 400 square cells per square inch with a wall thickness of 0.4 mm.
棉纤维细胞分化发育已被分为纤维原始细胞分化和突起、纤维伸长、次生壁增厚和脱水成熟四个时期。
The differentiation and development of fiber cells are divided into 4 stages: initiation and protuberance of fiber primordial cells, elongation, secondary wall thickening and maturation.
空心块茎环髓区细胞壁厚度比健康块茎的厚，而心髓区细胞壁厚度则比健康块茎的薄；
But outer pith cell of hollow center potato was bigger than that of normal one, and the cell wall was thicker. But the wall of pith cell was thiner than that of normal one.
就显微特征来讲，北五味子果皮表皮细胞壁增厚；
In terms of the microscopic characteristics, Schisandra chinensis pericarp epidermis cell wall thickening;
就显微特征来讲，北五味子果皮表皮细胞壁增厚；
In terms of the microscopic characteristics, Schisandra chinensis pericarp epidermis cell wall thickening;
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