AskDefine | Define vascular

Dictionary Definition

vascular adj : of or relating to or having vessels that conduct and circulate fluids; "vascular constriction"; "a vascular bundle" [ant: avascular]

User Contributed Dictionary



  1. Of, pertaining to, or containing vessels that conduct or circulate fluids, such as blood, lymph, or sap, through the body of an animal or plant.



  • Czech: cévní
  • Finnish: verenkierto-
  • Chinese: 脉管的, 导管的, 血管的

Extensive Definition

In zoology, more specifically biology, "vascular" means "related to blood vessels", which are part of the Circulatory system. An organ or tissue that is vascularized is heavily endowed with blood vessels and thus richly supplied with blood.
In botany, plants with a dedicated transport system for water and nutrients are called vascular plants. Vascular plants include ferns, conifers and flowering plants. A vascular bundle is part of such a transport system.
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