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The atrial branches of right coronary artery derive from the right coronary artery and provide part of the blood supply to the right atrium and left atrium.
| Atrial branches of coronary arteries | |
|---|---|
 Sternocostal surface of heart. | |
 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 MARG = left marginal AVN = atrioventricular nodal VEINS: SCV = small cardiac ACV = anterior cardiac AIV/GCV = great cardiac MCV = middle cardiac CS = coronary sinus | |
| Details | |
| Source | right coronary artery |
| Identifiers | |
| Latin | rami atriales arteriae coronariae dextrae |
| TA98 | A12.2.03.105 A12.2.03.214 |
| TA2 | 4134, 4149 |
| FMA | 71668 |
| Anatomical terminology | |
Although named for the right coronary artery in Terminologia anatomica, a portion of the blood supply to the atria derives from the Circumflex branch of left coronary artery.
