Wiktionary
n. (context anatomy English) The part of blood circulation which carries oxygen-depleted blood away from the heart, to the lungs, and returns oxygenated blood back to the heart.
WordNet
n. circulation of blood between the heart and the lungs
Wikipedia
Pulmonary circulation is the portion of the cardiovascular system which carries deoxygenated blood away from the heart, to the lungs, and returns oxygenated (oxygen-rich) blood back to the heart. The term pulmonary circulation is readily paired and contrasted with the systemic circulation. A separate system known as the bronchial circulation supplies blood to the tissue of the larger airways of the lung.
Pulmonary Circulation is a peer-reviewed medical journal covering the fields of pulmonary circulation and pulmonary vascular disease. It was established in 2011 and is published by the University of Chicago Press on behalf of the Pulmonary Vascular Research Institute, of which it is an official journal. The editors-in-chief are Jason X.-J. Yuan and Nicholas W. Morrell.
Usage examples of "pulmonary circulation".
It contained the nullfield generator, a thirty-hour supply of oxygen, and artificial alveoli that connected with her pulmonary circulation system.