pulmonary valve

American  

noun

Anatomy.

1. a semilunar valve between the pulmonary artery and the right ventricle of the heart that prevents the blood from flowing back into the right ventricle.

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Example Sentences

Surgical options for younger patients include a Ross procedure, in which a patient’s diseased aortic valve is replaced with their own healthy pulmonary valve, which in turn is replaced with a donor valve.

From The Wall Street Journal • Apr. 25, 2026

The 4-month-old is critically ill with a severe case of pulmonary valve stenosis, a heart valve disorder.

From New York Times • Dec. 5, 2022

How would blood circulation beyond the heart be affected if the pulmonary valve could not open?

From Textbooks • Jun. 9, 2022

When he was born, Dylan was diagnosed with moderate hydrocephalus, which is a build-up of fluid in the brain, as well as a heart condition called pulmonary valve stenosis, Pantoja said.

From Fox News • Aug. 23, 2021

Very constant in this condition, and of course noticeable whenever there is pulmonary congestion, is the sharp, accentuated closure of the pulmonary valve.

From Disturbances of the Heart by Osborne, Oliver T. (Oliver Thomas)