| 1. | All the vascular bundles are interconnected so that transport between organs carried on rapidly and efficiently . 所有维管束都互相连通,因而得以迅速而有效地完成器官之间的运输。 |
| 2. | It shows one sheath around the vascular bundles 它显示出在维管束周围的鞘状构造。 |
| 3. | It does not show sheaths around the vascular bundles 它并没有显示出在维管束周围的鞘状构造。 |
| 4. | It shows two well - developed sheaths around the vascular bundles 它显示出两个发育完全之维管束鞘位于维管束周围。 |
| 5. | Collateral vascular bundle 并行维管束 |
| 6. | Concentric vascular bundle 同心维管束 |
| 7. | Cauline vascular bundle 茎维管束 |
| 8. | Vascular bundle sheath 维管束鞘 |
| 9. | 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。 |
| 10. | Sepals contain several vascular bundles , and are thought to be derived from leaves 根据萼片内的许多维管束结构,通常认为其由叶发育而成。 |