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- Dissection of vascular bundle 血管束解剖
- 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。
- 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 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。
- Transfer cells were widely distributed in cotyledon tissue this period which a lot of substance accumulation.Transfer cells occur first in final and edgeways of vascular bundle. 子叶组织中传递细胞在物质积累盛期也分布广泛,传递细胞首先发生于维管束的末端和边缘,其细胞壁内突,显极性生长。
- A type of vascular bundle in cotyledon is different from other tissues of lotus.This vascular bundle relate to physiological function and phylogenetic evolution. 子叶中维管束的结构不同于莲的其它组织中的模式,这与它的生理功能和系统演化有关。
- 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。
- There is a pith cavity on center of vascular bundle in O. minor, O. matsumuranus, O. marginatus and O. americanus.Some species have sclerotic cell or stone cell. 小叶月桂、牛矢果、厚边木犀、美洲木犀叶柄中央具髓腔,部分种叶柄有硬化细胞或石细胞存在。
- The amount of honeydew of aphid was positively correlative with the pressure of vascular bundle of wheat, and the content of soluable sugars in honeydew was positively correlative with that in food. 蚜虫的排蜜露量与小麦维管束膨压呈正相关,蜜露中含糖量则与食料中含糖量呈显著正相关。
- Developing mature of vascular bundle about 20 days after fertilization.The cells nucleus disappear in this period, secondary wall extended toward the inside.Sieve element formed network. 子叶维管束发育成熟约在受精后的20d,成熟时细胞核消失,次生壁向内延伸,筛管分子的细胞壁形成网纹结构。
- Construct "Square-Triangle Dissection of Dudeney". 一正三角形切割成四块
- Has similar tissue organization at both surfaces with a row of vascular bundles under each epidermis. 叶两面组织相同,有一排维管束在表皮下,很特殊。
- However, the number of vascular bundles and the development of sclerenchyma are not uniform with each other. 然而,维管束的数目及厚壁组织的发育各不相同。
- Vascular cylinder of adhesive disc turned into vascular bundles while adhesive disc enlarged, and the active stage of vascular cambium was short. 吸盘膨大时维管柱转变成维管束,维管形成层活动期较短。
- There may be irregular dissection of collagen bundles by vessels. 可有血管分割的不规则胶原束。
- In the same section of a leaf the area of vascular bundles has the highest content, the aquiferous tissue has the lowest and the chlorenchyma has intermediate. 芦荟属植物在同一个植物体不同的叶之间,以及同一叶不同的位置间有规律的累积蒽醌类物质有重要的生物学意义。
- A cell in the xylem of vascular plants. 管胞在维管植物的木质部中的细胞
- A stele that has a solid core of vascular tissue. 原生中柱一种有管状组织的实心中柱
- But the structural feature and the arrangement of vascular bundles at the abaxial end of the mature leaf petiole of the same species are similar to those of the leaf blade base, which are relatively stable. 但在同一品种的成熟叶叶柄远轴端与叶片基部相接处的结构特征和维管束排列形状常相同,比较稳定。
- A dissection of your argument shows several inconsistencies. 对你论点作仔细分析后发现一些前后矛盾之处。