shantrice171 shantrice171 07-02-2020 Biology contestada Which of these muscles is particularly associated with anchoring the right and left atrioventricular valves? pectinate muscles trabeculae carneae papillary muscles myocardium Papillary muscles contract to tense the right and left atrioventricular valves via the chordae tendineae just before ventricular systole.