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Left Marginal Branch of Circumflex Artery of Heart
Cardiovascular System

Left Marginal Branch of Circumflex Artery of Heart

Ramus marginalis sinister arteriae circumflexae cordis

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Origin

The left marginal branch arises from the circumflex branch of the left coronary artery and it is often calledreferred to as the obtuse marginal artery.

Course

The left marginal branch runs approximately perpendicular to the circumflex artery. It courses inferiorly on the left ventricle along the left cardiac border (Standring, 2016).

Branches

The left marginal branch gives rise to several small unnamed branches.

Supplied Structures

The left marginal branch contributes to the supply of the left ventricle.

List of Clinical Correlates

- Coronary artery disease

- Coronary atherosclerosis

- Coronary bypass graft

- Coronary angioplasty

- Coronary occlusion

- Coronary revascularization

- Coronary artery fistula

References

Standring, S. (2016) Gray's Anatomy: The Anatomical Basis of Clinical Practice. Gray's Anatomy Series 41st edn.: Elsevier Limited.

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