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Add the right septal papillary muscle. |
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Add the chordae tendineae of the right ventricle. These fibrous cords anchor the tricuspid valve cusps to the papillary muscles. |
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Add the right anterior papillary muscle. |
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Add the trabeculae carneae of the right ventricle. These are the irregular muscular ridges lining the inner surface of the ventricular wall. |
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Add the myocardium of the right ventricle, representing the thick muscular layer responsible for ventricular contraction. |
