Illustrated Encyclopedia of Human Anatomic Variation: Opus II: Cardiovascular System
Ronald A. Bergman, PhD
Adel K. Afifi, MD, MS
Ryosuke Miyauchi, MD
Peer Review Status: Internally Peer Reviewed
Typical example of preponderance of the right coronary artery. Lateral view. Diagnosis: patent ductus arteriosus. (a) right coronary artery with (a1) it's second portion: branch to the acute margin with (11) a long ramification; (2) posterior interventricular branch; (3) posterior branches to the left ventricle; (8) right conus branch; (10) anterior branch to the right ventricle; (b)left coronary artery; (4) anterior interventricular branch; (5) left branch; (6) circumflex branch; (7) branch to the obtuse margin; (9) left conus branch.
Variations
in the mode of division of the anterior interventricular branch,
which gives off 3 large branches. The branch to the obtuse margin
represents the true continuation of the circumflex branch. A-p view.
Diagnosis: aneurysm of the aorta. (a) right coronary artery; (b) left
coronary artery; (3) anterior interventricular branch, subdivided
into three branches; (4) circumflex branch; (5) branch to the obtuse
margin.
from Di Guglielmo and Guttadauro, 1954.
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