CEFR C1

collateral circulation

noun phrase

Meaning

A network of blood vessels that can provide an alternative route for blood flow when a main vessel is blocked or damaged, helping to maintain tissue perfusion and prevent ischemia.

Examples

  • The development of collateral circulation helped reduce the damage to the heart tissue after the coronary artery blockage.
  • Collateral circulation played a crucial role in the patient's recovery from the stroke, as it allowed blood to reach the affected area through smaller vessels.