| Noun | 1. | arteria pulmonalis - one of two arteries (branches of the pulmonary trunk) that carry venous blood from the heart to the lungsarteria, arterial blood vessel, artery - a blood vessel that carries blood from the heart to the body pulmonary trunk, truncus pulmonalis - the artery that carries venous blood from the right ventricle of the heart and divides into the right and left pulmonary arteries |