branch_of regional_part_of Distal portion of right coronary artery Posterior interventricular branch of right coronary artery Branch of right coronary artery which runs along the upper third of the posterior interventricular sulcus to supply the posterior wall of right and left ventricles and the posterior third of the interventricular septum. FMA:3840 PDA Posterior descending artery Posterior descending branch of right coronary artery Posterior descending coronary artery Posterior interventricular artery fma Right coronary artery Branch of right coronary artery