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Coronary Arteries and Cardiac Veins: Variations Anatomy


Coronary Arteries and Cardiac Veins: Variations Anatomy
Anterior interventricular (left anterior descending) branch of left coronary artery is very short. Apical part of anterior (sternocostal) surface is supplied by branches from inferior interventricular (posterior descending) branch of right coronary artery curving around apex.

Inferior interventricular (posterior descending) branch is derived from circumflex branch of left coronary artery instead of from right coronary artery.
Inferior interventricular (posterior descending) branch is absent. Area is supplied chiefly by small branches from circumflex branch of left coronary artery and from right coronary artery.
Inferior interventricular (posterior descending) branch is absent. Area is supplied chiefly by elongated anterior interventricular (left anterior descending) branch curving around apex.
Coronary Arteries and Cardiac Veins: Variations Anatomy