an artery conveying venous blood from the right ventricle of the heart to the lungs.
either of the two arteries that convey oxygen-depleted blood from the heart to the lungs
pulmonary artery n.
The artery that carries blood with low levels of oxygen 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.
- Pulmonary atresia
pulmonary atresia n. The congenital absence of the normal valvular orifice into the pulmonary artery.
- Pulmonary capillary wedge pressure
pulmonary capillary wedge pressure n. An indirect indication of left atrial pressure obtained by wedging a catheter into a small pulmonary artery tightly enough to block flow from behind and thus to sample the pressure beyond.
noun, Physiology. 1. the circulation of blood from the heart to the lungs for oxygenation and back to the heart. pulmonary circulation n. The passage of blood from the right ventricle through the pulmonary artery to the lungs and back through the pulmonary veins to the left atrium.
- Pulmonary dysmaturity syndrome
pulmonary dysmaturity syndrome n. A respiratory disorder occurring in premature infants incapable of normal pulmonary ventilation; the lungs contain widespread focal emphysematous blebs and the parenchyma has thickened alveolar walls. Also called Wilson-Mikity syndrome.