Sinoatrial nodal artery
| Sinoatrial nodal artery | |
|---|---|
Low magnification micrograph of a sinoatrial node (central on image), surrounding the sinuatrial nodal artery (on lumen in the image). H&E stain. | |
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 | |
| Identifiers | |
| Latin | ramus nodi sinuatrialis arteriae coronariae dextrae |
| TA98 | A12.2.03.104 |
| TA2 | 4133 |
| FMA | 3823 |
| Anatomical terminology | |
The sinoatrial nodal artery, sinoatrial nodal artery or sinoatrial artery is an artery of the heart which supplies the sinoatrial node, the natural pacemaker center of the heart. It is usually a branch of the right coronary artery. It passes between the right atrium, and the opening of the superior vena cava.