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pulmonary artery
noun
: 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
People who have sleep apnea and other sleep disorders have higher blood pressure and higher pressure in the pulmonary artery.
—Nicole Villalpando, Austin American-Statesman, 21 Oct. 2024
The pulmonary valve, which manages blood flow from the right ventricle to the pulmonary artery, which travels to your lungs.
—Kelly Burch Published, Verywell Health, 24 Oct. 2024
The pulmonary valve is between the right ventricle and the pulmonary artery (the lung's main artery).
—Colleen Doherty, Verywell Health, 30 Sep. 2024
The ventricles of the heart are removed, and the TAH is implanted and attached to the upper chambers, aorta, and pulmonary artery.
—Angelica Bottaro, Verywell Health, 12 Sep. 2024
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Word History
First Known Use
1704, in the meaning defined above
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 26 Nov. 2024.
Kids Definition
pulmonary artery
noun
: an artery that carries oxygen-poor blood containing carbon dioxide from the right side of the heart to the lungs
Medical Definition
pulmonary artery
noun
: an arterial trunk or either of its two main branches that carry venous blood to the lungs:
a
: 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
b
: 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
c
: 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
Britannica.com: Encyclopedia article about pulmonary artery
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