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- Bundle sheath The ring of parenchymatous or sclerenchymatous tissue, usually one cell thick, that surrounds the vascular bundle in an angiosperm leaf. 维管束鞘：在被子植物叶中，围绕维管束的通常是一层薄壁或厚壁细胞。
- The vascular bundle consists of vascular bundle sheath,xylem,phloem and big parenchymatous cells. 维管束由维管束鞘、木质部、韧皮部和大型薄壁细胞组成。
- Palisade tissue is rich in saliferous vacuoles, while vascular bundle sheath is obvious. 栅栏组织富含含盐液泡泡，维管束鞘明显。
- The results showed: cells rounded the procambium bundle differentiated into bundle sheath at the initial stage of procambium bundle developing into vascular bundle. 结果表明，在叶内原形成层束分化成维管束初期，原形成层束外侧的一层细胞发育成维管束鞘。
- There are 2-3 layers of long-column-shaped palisade tissue under the upper epidermis, and there are a great number of mechanical tissues which made up of vascular bundle sheath . 上表皮下方有2-3层长柱形的栅栏组织，在主脉大侧脉外方具有由大量机械组织组成的束帽或束鞘。
- Abstract The leaf anatomy and ultrastructure of the vascular bundle sheath cells of four ecotypes of reed (Phragmites communis Trin.) were observed with light and electron microscope. 植物改变其发育方式，对大气环境改变响应的能力是适应特殊生境的一个主要因素。
- CaMK was mainly accumulated in vascular bundle sheath cells of leaves and highly expressed in lateral root primordia and root tips.But the kinase was under detectable in other regions. 在营养器官中钙调素激酶主要分布于叶的维管束鞘细胞、侧根原基和根尖等部位，而其它部位没有检测到明显的分布。
- Bundle sheath cells around vascular bundle in the fertile anther were big and formula and few calcium ppts, whereas, that in the sterile anther were small and anomaly and containing many calcium ppts. 可育花药维管束鞘细胞体积大且形状规则，细胞内的钙颗粒很少，而不育花药维管束鞘细胞体积小且形状不规则，细胞内的钙颗粒较多。
- The veins of leases are parallel, and the vascular bundles have bundle sheaths. 平行脉序，维管束具有维管束鞘。
- vascular bundle sheath 维管束鞘
- It shows one sheath around the vascular bundles. 它显示出在维管束周围的鞘状构造。
- The cells of the bundle sheath that surround the vascular tissues are large and contain specialized elongated chloroplasts that do not contain grana, but form starch grains. 它的特点为：围绕在维管组织外层的维管束薄壁细胞较大，并含有较大的叶绿体，这些叶绿体中不含基粒，但形成淀粉粒。
- The characteristics of vascular bundle in the first internode and grain-filling of heavy panicle hybrid rice (HPHR) were studied. 摘要对重穗型杂交稻穗颈节间维管束特徵及其籽粒充实进行了研究。
- The nectaries were composed of epidermis, nectariferous tissue and vascular bundle which only consisted of phome. 蜜腺由分泌表皮、产蜜组织和仅含韧皮部的维管束组成。
- Vascular bundle have not cambium layer, vessel, and spiral tracheid as well.Only sieve element. 维管束无形成层，无导管，也不具有螺纹管胞，只有筛分子。
- Ginkgo biloba leaf petiole, is actually composed of many vein from the collection of vascular bundle group. 银杏叶的叶柄，实际上是由许多叶脉集合而成的维管束群。
- The micrib belonging to bicollateral bundle is well developed.The bundle sheath is composed of idioblasts. 主脉发达，有异细胞组成的维管束鞘，具双生韧皮部。
- Vascular bundle equal distributed in circumfuse of two cotyledons, formed a circule. 摘要莲子叶组织中的维管束均等的分布于两瓣子叶里，形成1周。
- Male-sterility mainly results from the abnormality of mesospore,tapetum tissue and vascular bundle. 中层组织、绒毡层组织及药隔维管束异常均是雄性败育的因素。
- The large vascular bundle number of panicle neck internode was higher in Indica cultivars than in Japonica cultivars. 结果显示，参试品种穗颈节间大维管束数目，籼稻品种比稉稻品种多。
