SINCE 1828
sinus of Valsalva
noun
sinus of Val·sal·va
| \ -väl-ˈsäl-və
\
\
Medical Definition of sinus of Valsalva
: any one of the pouches of the aorta and pulmonary artery which are located behind the flaps of the semilunar valves and into which the blood in its regurgitation toward the heart enters and thereby closes the valves
— called also aortic sinus
Comments on sinus of Valsalva
What made you want to look up sinus of Valsalva? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Farm Idioms Quiz
-
- What does 'poke' refer to in the expression 'pig in a poke'?
Test your visual vocabulary with our 10-question challenge!
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Word Games
-
Farm Idioms Quiz
Not your children's farm quiz.
Take the quiz -
Up in the Sky: A Quiz
It's a bird? It's a plane? No, I'm really asking. What is it?
Take the quiz -
Name That Thing
Test your visual vocabulary with our 10-question challenge!
Take the quiz -
Dictionary Devil
The dictionary has been scrambled—can you put it back together?
Play the game
Share sinus of Valsalva
Resources for sinus of Valsalva