semilunar
Americanadjective
adjective
Other Word Forms
Etymology
Origin of semilunar
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Both the aortic and the pulmonary valves are semilunar valves.
From Textbooks • Jun. 9, 2022
When ventricular pressure rises above the pressure in the two major arteries, blood pushes open the two semilunar valves and moves into the pulmonary trunk and aorta in the ventricular ejection phase.
From Textbooks • Jun. 19, 2013
The two semilunar valves, the pulmonary and aortic valves, are closed, preventing backflow of blood into the right and left ventricles from the pulmonary trunk on the right and the aorta on the left.
From Textbooks • Jun. 19, 2013
The atrioventricular valves form between weeks five and eight, and the semilunar valves form between weeks five and nine.
From Textbooks • Jun. 19, 2013
The semilunar valves of the pulmonary artery had their bases slightly ossified, and the remaining part thickened.
From Cases of Organic Diseases of the Heart by Warren, John Collins
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
