pulmonary circulation


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pulmonary circulation

[′pu̇l·mə‚ner·ē ‚sər·kyə′lā·shən]
(physiology)
The circulation of blood through the lungs for the purpose of oxygenation and the release of carbon dioxide. Also known as lesser circulation.
References in periodicals archive ?
pulmonary emboli), (2) elevated left atrial pressure (mitral stenosis), (3) thickening of pulmonary arterial and arteriolar walls (scleroderma), (4) derangement and destruction of alveolar walls with damage to pulmonary capillaries in proximity (interstitial lung disease), (5) left-to right shunting increasing blood flow in the pulmonary circulation (congenital cardiac anomalies), and (6) pulmonary vasoconstriction caused by hypoxemia, hypercapnia, and acidemia (COPD).
In our case the thrombus migrated through the hypoplastic IVC to the level of the pulmonary circulation and determined a minimum symptomatology, due to repeated microembolisms.
Anatomical shunts arise where there are arteriovenous malformations in the pulmonary circulation and, outside the lungs, due to congenital heart malformations (eg patent ductus arteriosus or septal defects).
The drug exerts selective vasodilatory action on pulmonary circulation and also prolongs and enhances the effects of inhaled iloprost (1).
Massive haemoptysis usually originates from the bronchial circulation (95%) rather than the pulmonary circulation (5%).
Role of endothelium-derived relaxing factor during transition of pulmonary circulation at birth.
He hypothesized that micro-emboli that originate on the device leads pass through the PFO and into the pulmonary circulation, causing increased pulmonary-artery pressures during the year after device placement.
In many congenital heart diseases, the ductal patency is essential to maintain adequate systemic or pulmonary circulation to sustain life after birth.
Thrombus can develop anywhere in the body; however, with VTE, the venous thrombi predominately originate within the venous valves of the calf veins and travel through the venous circulation to the right atrium, right ventricle, and then into the pulmonary circulation where the thrombi eventually lodge in the pulmonary arteries (pulmonary emboli).
Membrane receptors, channels and transporters in pulmonary circulation.
Oral prostaglandin E2 in ductus-dependent pulmonary circulation.
In the centres of Islamic science, scientists discovered pulmonary circulation, theorised about flight, invented algebra, calculated the world's circumference and fine-tuned everything from chemistry to optics.