bundle-sheath

常見例句

• Bundle sheath The ring of parenchymatous or sclerenchymatous tissue, usually one cell thick, that surrounds the vascular bundle in an angiosperm leaf.
  維管束鞘：在被子植物葉中，圍繞維管束的通常是一層薄壁或厚壁細(xì)胞。
• The micrib belonging to bicollateral bundle is well developed.The bundle sheath is composed of idioblasts.
  主脈發(fā)達(dá)，有異細(xì)胞組成的維管束鞘，具雙生韌皮部。
• The vascular bundle consists of vascular bundle sheath,xylem,phloem and big parenchymatous cells.
  維管束由維管束鞘、木質(zhì)部、韌皮部和大型薄壁細(xì)胞組成。
• Palisade tissue is rich in saliferous vacuoles, while vascular bundle sheath is obvious.
  柵欄組織富含含鹽液泡泡，維管束鞘明顯。
• 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.
  它的特點(diǎn)為：圍繞在維管組織外層的維管束薄壁細(xì)胞較大，并含有較大的葉綠體，這些葉綠體中不含基粒，但形成淀粉粒。
• The midvein bears three bundles.The veinlet bears one bundle sheath on the outer layer, with the typical feature of C4 pants.
  中脈具3個(gè)維管束，小脈外具一層維管束鞘，具有典型的C4植物特征。
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