papillary muscle(redirected from musculus papillaris)
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Related to musculus papillaris: Papillary muscles
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|Noun||1.||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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