Papillary muscles: The ventricular tissue that give rise to the chordae are often referred to as papillary muscles.
Answered 10/3/2016
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Papillary muscle: The papillary muscles attach to the cusps of the atrioventricular valves (a.K.A. The mitral and tricuspid valves) via the chordae tendinae and contract to prevent inversion or prolapse of these valves.
Answered 12/18/2014
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