collateral circulation

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.

Origin:
1875–80
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Collateral circulation is always a great word to know.
So is slumgullion. Does it mean:
a stew of meat, vegetables, potatoes, etc.
the offspring of a zebra and a donkey.
American Heritage
Medical Dictionary

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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