What do papillary muscles in heart do

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Reference article, Radiopaedia. URL of Article. The right ventricle has 3 papillary muscles that attach to the cusps of the tricuspid valve : the anterior papillary muscle attaches to the chordae tendineae of the anterior and posterior cusps the posterior papillary muscle attaches to the chordae tendineae of the posterior and septal cusps the septal papillary muscle attaches to the chordae tendineae of the anterior and septal cusps Within the anterior papillary muscle, there is a prominent band that extends from the interventricular septum that contains the right bundle branch, known as the septomarginal trabecula or moderator band.

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