avascular

IPA/eɪˈvæs.kjə.lər/
IPA/eɪˈvæs.kjə.lɚ/

avascular — 形容詞

  • avascularpositive
  • more avascularcomparative
  • most avascularsuperlative

1. describes a part of the body or tissue that has no blood vessels carrying blood

1.形容詞C2
釋義

無血管的

指組織沒有血管分布

describes a part of the body or tissue that has no blood vessels carrying blood through it, so it must receive nutrients by other means such as diffusion.

例句

The surgeon explained that cartilage is avascular, so it heals slowly after a knee injury.

外科醫生解釋說軟骨是無血管的,因此膝蓋受傷後癒合緩慢。

predictive use: cartilage is avascular

Avascular necrosis of the hip may require joint replacement if the bone collapses.

髖關節的無血管性壞死若發生骨骼塌陷,可能需要進行人工關節置換。

attributive use: avascular necrosis

常見搭配
  • avascular tissue
  • avascular necrosis
  • avascular region
  • avascular graft
  • avascular area
同義詞
  • nonvascular

    broader term used in both medicine and botany; less precise in clinical contexts

  • bloodless

    lay term, not used in medical writing; may also mean 'without bloodshed'

反義詞
  • vascular

    the direct opposite; describes tissue that has a normal supply of blood vessels

文法句型

avascular + noun

be + avascular

用法筆記

Avascular is a technical term used mainly in medicine and anatomy. Its opposite is vascular, which means 'having blood vessels'. The related noun is avascularity.

常見錯誤

The wound is avascular because of poor circulation.
The wound is ischemic because of poor circulation.
'Avascular' means having no blood vessels at all; 'ischemic' means having reduced blood flow, but the vessels still exist.

同根字

  • avascularity
    名詞C2
  • vascular
    形容詞B2
  • vasculature
    名詞C2

常見搭配

名詞搭配

常用片語

  • avascular in nature