pulmonary artery


: an artery that conveys venous blood from the heart to the lungs see heart illustration

Examples of pulmonary artery in a Sentence

Recent Examples on the Web Her pulmonary artery pressures, a key indicator of PAH treatment success, are better on Winrevair than at any point since her diagnosis. Nick Blackmer, Verywell Health, 8 Apr. 2024 This, in turn, impacts other organs, such as the heart and the pulmonary artery. Sherry Christiansen Updated, Verywell Health, 5 Nov. 2023 Seven of the rats had worms in their hearts, pulmonary arteries and brain tissues. Will Sullivan, Smithsonian Magazine, 29 Sep. 2023 Bryan Smith, assistant professor at UChicago Medicine, said coronary artery abnormalities make a person vulnerable to a mechanical compression during exercise wherein the aorta and the pulmonary artery compress an anomalous coronary artery and cut off blood flow to the heart. Jordan Anderson, Chicago Tribune, 3 Jan. 2023 The blade of her knife had slipped between Marat’s first and second ribs, a space no wider that a twentieth of an inch, clipped the aorta, passed under the pulmonary artery and entered the left atrium of the heart. Douglas Starr, Discover Magazine, 28 Feb. 2011 The procedure to get the CardioMEMS implant takes about 30 to 45 minutes, and is done by surgeons going through either a vein in a patient's groin or neck to reach the pulmonary artery. Devi Shastri, Journal Sentinel, 26 Sep. 2022 The medical device that Korte had threaded into her pulmonary artery in 2020 is called CardioMEMS and was developed by Abbott. Devi Shastri, Journal Sentinel, 26 Sep. 2022 The wound, which was one inch wide and three inches deep, hit her pulmonary artery. NBC News, 28 Nov. 2021

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'pulmonary artery.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1704, in the meaning defined above

Time Traveler
The first known use of pulmonary artery was in 1704

Dictionary Entries Near pulmonary artery

Cite this Entry

“Pulmonary artery.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pulmonary%20artery. Accessed 22 Jun. 2024.

Kids Definition

pulmonary artery

: an artery that carries oxygen-poor blood containing carbon dioxide from the right side of the heart to the lungs

Medical Definition

pulmonary artery

: an arterial trunk or either of its two main branches that carry venous blood to the lungs:
: a large arterial trunk 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

: 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

: a branch 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 the adult, and passes to the left lung where it divides into branches

called also left pulmonary artery

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