First diagonal branch - Heart - Coronary arteries - e-Anatomy
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First diagonal branch

First diagonal branch

  • Acronym: 1st Diag

Definition

Antoine Micheau

The first diagonal branch (D1) of the left anterior descending (LAD) coronary artery courses laterally over the left ventricle, supplying the anterolateral wall of the heart. The anatomical attributes of the first diagonal branch can vary..

References

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