Physiologic Function
collateral circulation
[ kuh-lat-er-uhl sur-kyuh-ley-shuhn ]
Subclass of:
Blood Circulation
Definitions related to collateral circulation:
  • A system of minor arteries, known as collaterals, that can serve as an alternate blood supply to the heart when a major coronary artery is blocked.
    Harvard Dictionary of Health Terms
    Harvard Medical Publishing, 2011
  • Maintenance of blood flow to an organ despite obstruction of a principal vessel; blood flow is maintained through small vessels.
    CRISP Thesaurus
    National Institutes of Health, 2006
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.