VESSEL PATHWAY
The posterior descending artery is a branch of the right coronary artery. It runs in the posterior interventricular sulcus towards the apex of the heart where it connects with the anterior interventricular artery.
Aorta → Right Coronary Artery (RCA) → Posterior Descending Artery
![Anatomical location of the RCA (source)](http://www.stepwards.com/wp-content/uploads/2016/11/Coronary_arteries.png)
FUNCTION
The posterior descending artery supplies the posterior 1/3 of the interventricular septum with oxygenated blood.,
Page updated: 11.30.2016