collateral circulation

American  

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.

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Etymology

Origin of collateral circulation

First recorded in 1875–80

Example Sentences

See Examples For:

collateral circulation

The only blood flow to his arm was coming from collateral circulation, from minor blood vessels and capillaries in the skin.

From Time Magazine Archive

At the same time, the heart is developing collateral circulation.

From Time Magazine Archive

In cases like the President's, the collateral circulation has to develop after the attack.

From Time Magazine Archive

If it constricts slowly for months, the heart brings into play its self-repair system and develops collateral circulation, i.e., nearby branches enlarge to carry more blood to neighboring parts of the heart muscle.

From Time Magazine Archive

Cohnheim states that after a sudden venous obstruction, in case an efficient collateral circulation does not interfere, the capillaries and small veins become distended with stagnant blood and appear as masses of red blood-corpuscles.

From A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases by Various