rachis

英

美

n.  脊柱；分脊；花序轴，叶轴；羽轴

医学

英英释义

noun

• the series of vertebrae forming the axis of the skeleton and protecting the spinal cord
  1. the fall broke his back
  Synonym:spinal columnvertebral columnspinebackboneback
• axis of a compound leaf or compound inflorescence

双语例句

• Small early-flowering buttercup with shiny yellow flowers of western North America. Inflorescence paniculate, rachis tawny tomentose; female flowers borne on basal part of the inflorescence.
  北美西部的一种小形的早花毛茛，花黄色、有光泽。花序圆锥状；花序轴被灰黄色短绵毛；雌花著生于花序轴下部。
• The setting ratio of spikelets on secondary rachis branch was more subject to climate and management.
  二次颖花的成粒率受气候及管理水平影响较大；
• Its anthotaxy is spica, and amphimixis flowers is serried inserted on the thick rachis.
  穗状花序，两性花密集着生于粗大的花轴上。
• Total amount of choline and betaine in the anther was significantly higher than that in the glume and rachis.
  花药中的胆碱类物质含量显著高于颖壳和穗轴中的含量。
• Lumbar Di is changed and Di vertebra waist is changed is congenital rachis deformation.
  腰椎骶化和骶椎腰化都是先天性脊柱畸形。
• Two QTL controlling primary rachis branches were identified and they were co located with 2 of the 3 QTL for vascular bundles respectively.
  2个控制一次枝梗数的QTL效应较小，但分别与控制穗颈维管束数的2个QTL同位。
• The results showed that there was notable difference between rates of spikelets on secondary rachis branch to total spikelets of different types of rice varieties. Varieties with heavy spikes had more spikelets on secondary rachis branch, accounting for over 70% of total spikelets.
  试验结果表明：不同类型水稻品种的二次颖花占总颖花的比率有明显差异，穗重型品种二次颖花多，占总颖花的70%以上；
• Effect of Spikelets upon Secondary Rachis Branch on Yield of Rice
  水稻二次枝梗颖花的灌浆程度对产量的影响
• Spinal cord is to be located in the organization of a kind of nerve among rachis.
  脊髓是位于脊柱中间的一种神经组织。
• The explants of perianth and ovary require higher amount of auxins than that of rachis, pedicel and peduncle.
  但花被、子房较花序轴切片及花柄需要较高的激素用量。