collateral circulation
noun
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.
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Origin of collateral circulation
First recorded in 1875–80
Words nearby collateral circulation
collarette, collat., collate, collateral, collateral artery, collateral circulation, collateral damage, collateral fissure, collateral hyperemia, collateral inheritance, collateral ligament
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Medical definitions for collateral circulation
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.