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Related Terms:
collateral ligament
systemic circulation
collateral damage
vessel
pulmonary circulation
circulatory system
lymphatic system
collateral vein
cardiovascular system
blood
venous circulation
obstruction
vein
nervous system
collateral artery
artery
collateral vessel
coronary circulation
anastomosis
arterial circulation
enlargement
Noun
Definition: The circulation of blood through a network of vessels that is developed through enlargement of secondary vessels and use of existing anastomoses between adjacent vessels when a major vein or artery is functionally impaired, as by obstruction.