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left anterior descending [LAD] coronary artery (anterior interventricular artery)
Origin: left main coronary artery
Branches:
1) septal perforators
2) diagonal branches
Distribution:
1) interventricular septum, anterior 2/3 (septal perforators)
-> includes AV bundle of His
2) anterior free wall of the left ventricle (diagonal branches)
Anastomosis: posterior interventricular artery
Course:
-> descends towards the cardiac apex over the anterior portion of the interventricular septum.
Properties
GENERAL: coronary artery
FORM: left anterior descending [LAD] coronary artery (anterior interventricular artery)
ORIGIN: left main coronary artery
COMPONENT-OF: heart
References
- Internal Medicine, J Stein (ed), Little, Brown, Boston, 1983
- Stedman's Medical Dictionary 27th ed, Williams &
Wilkins, Baltimore, 1999