bundle sheath中文什么意思

例句与用法

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1. Vascular bundle sheath
   维管束鞘
2. 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。
3. 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。
4. 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。
5. 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。