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.
Blood is pumped from the heart, pushing open the pulmonary and aortic semilunar valves.
From Textbooks ● Jun. 19, 2013
The second heart sound, S2 or dub, occurs when the semilunar valves close.
From Textbooks ● Jun. 19, 2013
At the base of the aorta is the aortic semilunar valve that prevents backflow of blood into the left ventricle while the heart is relaxing.
From Textbooks ● Jun. 19, 2013
As pressure in the ventricles rises above 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
Some authors recommend a semilunar anterior flap; this is quite unnecessary, increases bagging and delays union.
From A Manual of the Operations of Surgery For the Use of Senior Students, House Surgeons, and Junior Practitioners by Joseph Bell
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.
