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papillary muscle

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Noun1.papillary muscle - any of several muscles associated with the atrioventricular valves; "the papillary muscles contract during systole to prevent regurgitation of blood into the atria"
cardiac muscle, heart muscle - the muscle tissue of the heart; adapted to continued rhythmic contraction
atrioventricular valve - either of two heart valves through which blood flows from the atria to the ventricles; prevents return of blood to the atrium


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For right ventricular (RV) puncture a 5-0 polypropylene purse-string suture was placed on beating heart at carefully chosen location away from papillary muscles, and the septum.
Transesophageal echocardiography showed calcification of the endocardial surface of both papillary muscles and of the adjacent left ventricular wall as well as calcification of some mitral chordal structures (Fig.
Midterm survival following repair of a giant left ventricular true aneurysm ruptured during operation and associated with papillary muscle rupture.
 
 
 
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