Left marginal artery
The left marginal artery (or obtuse marginal artery) is a branch of the circumflex artery, originating at the left atrioventricular sulcus, traveling along the left margin of heart towards the apex of the heart.
| Left marginal artery | |
|---|---|
 Base and diaphragmatic surface of heart. (Left marginal artery not visible, but would be near center left.) | |
 ARTERIES: RCA = right coronary AB = atrial branches SANB = sinuatrial nodal RMA = right marginal LCA = left coronary CB = circumflex branch LAD/AIB = anterior interventricular LMA = left marginal PIA/PDA = posterior descending AVN = atrioventricular nodal VEINS: SCV = small cardiac ACV = anterior cardiac AIV/GCV = great cardiac MCV = middle cardiac CS = coronary sinus | |
| Details | |
| Source | circumflex artery |
| Vein | left marginal vein |
| Supplies | left ventricle |
| Identifiers | |
| Latin | ramus marginalis sinister arteriae coronariae sinistrae |
| TA | A12.2.03.209 |
| FMA | 3902 |
| Anatomical terminology | |
See also
- Right marginal branch of right coronary artery
Additional images
Coronary arteries (labeled in red text) and other major landmarks (in blue text). Left marginal artery is labeled at right.
External links
- Anatomy photo:20:09-0106 at the SUNY Downstate Medical Center - "Heart: The Left Coronary Artery and its Branches"
- Anatomy figure: 20:04-02 at Human Anatomy Online, SUNY Downstate Medical Center - "Posterior view of the heart."
- "Obtuse marginal artery". Medcyclopaedia. GE. Archived from the original on 2012-02-05.
- Image at texheartsurgeons.com
- Overview and diagrams at cardiologysite.com
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