aortic ostium

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The opening from the left ventricle of the heart into the ascending aorta, guarded by the aortic valve.

QUIZ

QUIZ YOURSELF ON "WAS" VS. "WERE"!

Were you ready for a quiz on this topic? Well, here it is! See how well you can differentiate between the uses of "was" vs. "were" in this quiz.

Question 1 of 7

“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.

Words nearby aortic ostium

The hard work began after Walters had her aortic valve replaced with one from a cow.
Barbara Walters Opens Up About Her Heart Surgery|Howard Kurtz|February 2, 2011|DAILY BEAST
Doctors there performed a 20-hour surgery in an attempt to repair his aortic dissection.
What Killed Richard Holbrooke?|Casey Schwartz|December 14, 2010|DAILY BEAST
Even though he underwent an aortic valve replacement in 2008, he insists he has no intention of retiring anytime soon.
Jim Lehrer's Cross-Country Fantasy|Sandra McElwaine|April 24, 2010|DAILY BEAST
The mandibular aortic arch is situated close to its inner side, Pl.
The Works of Francis Maitland Balfour, Volume 1|Francis Maitland Balfour

At this stage there is visible a single aortic trunk passing forwards from the embryo and dividing into two branches.
The Works of Francis Maitland Balfour, Volume 1|Francis Maitland Balfour
The aortic branches to the bodies are larger than in the previous stage, and the bodies themselves fairly vascular.
The Works of Francis Maitland Balfour, Volume 1|Francis Maitland Balfour
These rods are the rudiments of the aortic branches to which the suprarenal bodies are eventually attached.
The Works of Francis Maitland Balfour, Volume 1|Francis Maitland Balfour
Von Baer saw what had escaped Rathke and Huschke, that there were, not three nor four, but as many as five aortic arches.
Form and Function|E. S. (Edward Stuart) Russell