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collateral circulation

noun
1.
circulation of blood through a network of minor vessels that become enlarged and joined with adjacent vessels when a major vein or artery is impaired, as by obstruction.
Origin of collateral circulation
1875-1880
1875-80
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for collateral circulation
Historical Examples
  • In some cases the collateral circulation develops in time, so that the parts receive sufficient blood and the symptoms disappear.

    Special Report on Diseases of Cattle U.S. Department of Agriculture
  • The arteries of the brain are end arteries, hence there is no chance for collateral circulation.

    Arteriosclerosis and Hypertension: Louis Marshall Warfield
  • This is known as the development of the collateral circulation.

    Manual of Surgery Alexis Thomson and Alexander Miles
  • The chances of the establishment of a collateral circulation are small, as the arteries of the intestines are end arteries.

    Arteriosclerosis and Hypertension: Louis Marshall Warfield
  • The collateral circulation is able to supply the thrombosed area.

    Arteriosclerosis and Hypertension: Louis Marshall Warfield
  • As the collateral circulation is established, the vitality of the tissues is gradually restored and these symptoms pass off.

    Manual of Surgery Alexis Thomson and Alexander Miles
  • Even if the main duct is obliterated, a collateral circulation is usually established.

    Manual of Surgery Alexis Thomson and Alexander Miles
collateral circulation in Medicine

collateral circulation n.
Circulation maintained in small anastomosing vessels when the main artery is obstructed.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Word Value for collateral

12
16
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