branch_of regional_part_of Branch of anterior interventricular branch of left coronary artery Anterior interventricular branch of left coronary artery Proximal portion of anterior interventricular branch of left coronary artery Conus branch of anterior interventricular branch of left coronary artery Branch of anterior interventricular branch of left coronary artery which arises from the proximal part of the anterior interventricular branch of left coronary artery and crosses over the top of the conus arteriosus and the base of the anterior cusp of the pulmonary artery and supplies the outflow part of the right ventricle. FMA:3868 Left conus artery fma