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.)
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
SCV = small cardiac
ACV = anterior cardiac
AIV/GCV = great cardiac
MCV = middle cardiac
CS = coronary sinus
|Vein||left marginal vein|
|Latin||ramus marginalis sinister arteriae coronariae sinistrae|
- Right marginal branch of right coronary artery
- 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