non-vascular

non-vascular — 形容詞

1. describing tissue or a body part that does not contain blood vessels or depend o

1.形容詞C1
釋義

無血管的

不含血管或不靠血管供應

describing tissue or a body part that does not contain blood vessels or depend on them.

例句

The clear layer at the front of the eye is non-vascular.

眼睛前方那層透明組織是無血管的。

be non-vascular

Doctors noted that the scar tissue stayed non-vascular after the burn healed.

醫師注意到,燒傷痊癒後,那塊疤痕組織仍是無血管的。

同義詞
  • avascular

    more technical medical term for lacking blood vessels

反義詞
  • vascular

    describes tissue or structures supplied by blood vessels

文法句型

be non-vascular

non-vascular + noun

用法筆記

Used mainly in medicine and biology for tissue, membranes, or body parts that have no blood-vessel supply. Distinguish from sense 2, which is specifically about whole plants.

2. describing a plant that lacks the internal tissue that moves water and food from

2.形容詞C1
釋義

無維管的

指植物沒有輸水輸養分的組織

describing a plant that lacks the internal tissue that moves water and food from one part to another.

例句

Moss is a non-vascular plant, so it stays small and close to wet ground.

苔蘚是無維管的植物,所以通常長得矮小,貼近潮濕地面。

non-vascular plant

In class, we compared non-vascular mosses with taller plants that move water through inner tubes.

上課時,我們比較了無維管的苔蘚和能用內部管道運水的較高植物。

contrast with vascular plants

反義詞
  • vascular

    describes plants that have tissue for moving water and nutrients

文法句型

be non-vascular

non-vascular + plant noun

用法筆記

Used almost only for plants such as mosses and liverworts. Distinguish from sense 1: sense 2 names a plant type, not just tissue without blood vessels.

常見錯誤

A cactus is non-vascular because it stores water.
A cactus is vascular; moss is non-vascular.
💡The term is about whether a plant has conducting tissue, not about how much water it holds.