Pulmonary artery

pulmonary artery   n.  An artery that carries venous blood from the right ventricle of the heart to the lungs.

pulmonary artery [(pool-muh-ner-ee)]

A large artery that carries blood directly from the heart to the lungs.

Main Entry: pulmonary artery
Function: noun
: an arterial trunk or either of its two main branches that carry blood to the lungs: a : a large arterialtrunk that arises from the conus arteriosus of the right ventricle, ascends in front of the aorta, and branches into the right and left pulmonary arteries called also pulmonary trunk b : a branch of the pulmonary trunk that passes under the arch of the aorta to the right lung where it divides into branches called also right pulmonary artery c : abranch of the pulmonary trunk that passes to the left in front of the descending part of the aorta, gives off the ductus arteriosus in the fetus which regresses to the ligamentum arteriosum in theadult, and passes to the left lung where it divides into branches called also left pulmonary artery

pulmonary artery n.

1. An artery that enters the hilus of the right lung, with branches distributed with the bronchi; right pulmonary artery.

2. An artery that enters the hilus of the left lung, with branches distributed with the bronchi; left pulmonary artery.