pulmonary artery


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

Example Sentences

Recent Examples on the Web 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 The catheter passes through the right side of the heart and follows the path of blood flow into the pulmonary artery in the lungs, enabling clinicians to take measurements as the patient exercises on a stationary bicycle. Laura Landro, WSJ, 22 Oct. 2021 The valve between my heart's right ventricle and pulmonary artery had not developed correctly in the womb, and, as a result, blood flow between the two was obstructed. Olivia Harrison, refinery29.com, 12 Mar. 2021 Four openings were designed to lead to the aorta, the vena cava, the pulmonary artery, and the pulmonary vein; a cable connected it to a black dictionary-size control box. Joshua Rothman, The New Yorker, 1 Mar. 2021 Six of their shots struck Taylor, who was unarmed, hitting her pulmonary artery and killing her. Matt Mencarini, The Courier-Journal, 26 Oct. 2020 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pulmonary artery.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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 29 Jan. 2023.

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

More from Merriam-Webster on pulmonary artery

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