vascular

vascular — adjective

1. relating to the system of tubes — called blood vessels — that carry blood and ly

1.形容詞B2
釋義

relating to the system of tubes — called blood vessels — that carry blood and lymph throughout the body of humans and animals.

例句

The surgeon recommended a vascular examination to check for blocked arteries in Imran's legs.

usually before noun: vascular examination

Noor was diagnosed with a vascular condition that affects blood flow to her hands.

collocation: vascular condition

同義詞
  • circulatory

    broader in scope; includes the heart and the entire circulation system, not just the vessels

  • arterial

    narrower; refers specifically to arteries that carry oxygen-rich blood away from the heart

  • venous

    narrower; refers specifically to veins that return blood to the heart

反義詞
  • non-vascular

    lacking blood vessels or a vascular system; used in medical and botanical contexts

文法句型

vascular + noun

用法筆記

Frequently used before nouns in medical contexts. When referring to both the heart and blood vessels, use 'cardiovascular' instead.

常見錯誤

❌The patient has a venous problem in both legs' (when arteries are also affected).
✅The patient has a vascular problem in both legs.
💡'venous' refers only to veins, while 'vascular' covers veins, arteries, and capillaries.
❌He suffers from vascular heart disease.
✅He suffers from cardiovascular disease.
💡'vascular' alone does not include the heart; use 'cardiovascular' to cover both heart and blood vessels.

2. describing plants that contain specialized conducting tissue — xylem and phloem

2.形容詞C1
釋義

describing plants that contain specialized conducting tissue — xylem and phloem — for moving water and nutrients internally.

例句

Mayumi is studying how vascular plants carry water from roots to leaves through xylem.

collocation: vascular plants

Unlike mosses and algae, vascular plants have a complex internal system for moving fluids.

distinguishes vascular from non-vascular plants

同義詞
  • tracheophytic

    technical botanical synonym; rarely used outside academic contexts

  • higher plant

    informal; refers broadly to vascular plants but is not a precise scientific term

反義詞
  • non-vascular

    lacking xylem and phloem; used for mosses, liverworts, and hornworts

文法句型

vascular + noun

用法筆記

Opposed to 'non-vascular' — terms used to classify the plant kingdom. Mosses, liverworts, and hornworts are non-vascular; ferns, conifers, and flowering plants are vascular.

常見錯誤

❌Ferns are non-vascular plants.
✅Ferns are vascular plants.
💡Ferns have true roots, stems, and vascular tissue (xylem and phloem), placing them in the vascular group.
❌All green plants are vascular plants.
✅Not all green plants are vascular
💡mosses and algae lack specialized conducting tissue.' — The presence of xylem and phloem is the defining feature.