Anatomy
papillary muscle
pap·il·lar·y mus·cle [ pap-uh-ler-ee, puh-pil-uh-ree muhs-uhl ]
Subclass of:
Heart Valves;
Myocardium
Definitions related to papillary muscle:
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Any one of the group of small muscles located in the ventricles of the heart that insert onto the ventricular wall and are continuous at the opposite end with the chordae tendineae, which insert onto the free edge of the atrioventricular valves, functioning to keep the valves closed during ventricular systole.NCI ThesaurusU.S. National Cancer Institute, 2021
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Conical muscular projections from the walls of the cardiac ventricles, attached to the cusps of the atrioventricular valves by the chordae tendineae.CRISP ThesaurusNational Institutes of Health, 2006
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Region of myocardium which is continuous with the chorda tendinea and the wall of heart.Foundational Model of AnatomyUniversity of Washington, 2017
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Threads of muscle that pull the heart valves between the upper and lower chambers of the heart closed during heart contractions.Harvard Dictionary of Health TermsHarvard Medical Publishing, 2011
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