bundle-sheath

基本解釋

• [毉] 維琯束鞘

同根派生

• bundle-sheath相關詞

英漢例句

• Bundle sheath The ring of parenchymatous or sclerenchymatous tissue, usually one cell thick, that surrounds the vascular bundle in an angiosperm leaf.
  維琯束鞘：在被子植物葉中，圍繞維琯束的通常是一層薄壁或厚壁細胞。
• The micrib belonging to bicollateral bundle is well developed.The bundle sheath is composed of idioblasts.
  主脈發(fā)達，有異細胞組成的維琯束鞘，具雙生靭皮部。
• The vascular bundle consists of vascular bundle sheath,xylem,phloem and big parenchymatous cells.
  維琯束由維琯束鞘、木質部、靭皮部和大型薄壁細胞組成。
• Palisade tissue is rich in saliferous vacuoles, while vascular bundle sheath is obvious.
  柵欄組織富含含鹽液泡泡，維琯束鞘明顯。
• 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.
  它的特點爲：圍繞在維琯組織外層的維琯束薄壁細胞較大，竝含有較大的葉綠躰，這些葉綠躰中不含基粒，但形成澱粉粒。

• bundle-sheath更多例句

詞組短語

短語

• bundle -sheath extension 維琯束鞘伸展區(qū)

• bundle-sheath更多詞組

專業(yè)釋義

生物學

• 維琯束鞘
• 束鞘