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Atrial Branches of Circumflex Artery of Heart
Cardiovascular System

Atrial Branches of Circumflex Artery of Heart

Rami atriales arteriae circumflexae cordis

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The atrial branches arise from the circumflex artery of the heart.


The atrial branches course superiorly on the left atrium.


The atrial branches give rise to several small unnamed branches.

Supplied Structures

The atrial branches of the circumflex branch supply the left atrium.

List of Clinical Correlates

- Coronary artery disease

- Coronary atherosclerosis

- Coronary bypass graft

- Coronary angioplasty

- Coronary occlusion

- Coronary revascularization

- Coronary artery fistula

Learn more about this topic from other Elsevier products


ScienceDirect image

When the artery is occluded blood is forced through the collateral vessels, drastically increasing fluid shear stress and triggering an inflammatory response which drives vessel remodeling.

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