adjective Biology.
pertaining to, composed of, or provided with vessels or ducts that convey fluids, as blood, lymph, or sap.
Also, vasculose [vas-kyuh-lohs] , vasculous [vas-kyuh-luhs] .

1665–75; < Neo-Latin vāsculāris. See vasculum, -ar1

vascularity [vas-kyuh-lar-i-tee] , noun
vascularly, adverb
hypervascular, adjective
hypervascularity, noun
intervascular, adjective
nonvascular, adjective
nonvascularly, adverb
nonvasculose, adjective
nonvasculous, adjective
unvascular, adjective
unvascularly, adverb
unvasculous, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
vascular (ˈvæskjʊlə)
biology, anatomy of, relating to, or having vessels that conduct and circulate liquids: a vascular bundle; the blood vascular system
[C17: from New Latin vāsculāris, from Latin: vasculum]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

1672, from Mod.L. vascularis "of or pertaining to vessels or tubes," from L. vasculum, dim. of vas "vessel."
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

vascular vas·cu·lar (vās'kyə-lər)
Or, relating to, or containing blood vessels.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
vascular  [%PREMIUM_LINK%]     (vās'kyə-lər)  Pronunciation Key 
  1. Relating to the vessels of the body, especially the arteries and veins, that carry blood and lymph.

  2. Relating to or having xylem and phloem, plant tissues highly specialized for carrying water, dissolved nutrients, and food from one part of a plant to another. Ferns and all seed-bearing plants have vascular tissues; bryophytes, such as mosses, do not. See more at phloem, xylem.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
The cells soon release from the hydrogel, and a hollow tube of vascular cells
  is left behind.
It is well known that diabetes wreaks havoc on the vascular system.
If you don't mind injections directly into your heart and limbs, vascular
  endothelial growth factor may be for you.
Because ergotamine constricts blood vessels, patients with peripheral vascular
  disease should not use this drug.
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