retraction of dental arch

英 美
  • 牙弓后缩
  • arch n.拱;拱门;拱状物v.成拱形;拱起adj.主要的;调皮的
  • dental adj.牙齿的;牙科的
  • of prep.关于;...的(表所属);出身于;由于
  • retraction n.退缩;撤消;收回
    1. The narrowed segment called coarctation can occur anywhere in the aorta, but is most likely to happen in the segment just after the aortic arch.
      狭窄的部分称为缩窄,可发生在主动脉的任何地方,但是最容易发生在紧接主动脉弓后的部分。