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

• 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；
• 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。
• Studies on Plant Regeneration Induced from Rachis Receptacle and Unfertilized Ovary of Cauliflower
  花椰菜未受精子房、花托、花序轴离体培养诱导成苗研究
• Comparative Anatomic Studies on Rachis of Eight Species of Cycads
  八种苏铁植物叶轴的比较解剖研究
• Moreover, it mainly resulted in shortened internode under the rachis internode, with forming good plant shape, and increasing the number of ear bearing tiller, but decreasing the per ear grain number.
  而且主要是缩短穗下节间以下的节间，对穗下节间无明显影响，形成良好的株型，并可增加成穗数，但穗粒数有所减少。
• 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
• The study discovered that there are assimilating tissue which like the shape of palisade tissue in adaxial surface of rachis in all species of Cycas.
  研究还发现苏铁科种类的叶轴的近轴面均像叶片那样具有栅栏组织状同化组织存在。
• Meanwhile filled grain number also correlated closely to fruiting primary rachis branch number and treatments in total sample containing treatments.
  同时，总样本（含处理）还与结实一次枝梗数和处理密切相关。
• 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。
• 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。