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Anatomy of the Heart (outer covering (pericardium) (visceral layer (serous…
Anatomy of the Heart
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atria
right
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coronary sinus
where the great, middle, and small cardiac veins join before poring into the right atrium
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ventricles
right
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septomarginal trabecula: specalized band of trabeculae carneae that bridges the right ventricle from the septal wall to the marginal wall of the chamber (important for signal conduction)
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papillary muscles: contract during ventricular systole to restrain the prolapse of the tricuspid valve leaflets (connected to the leaflets via chordae tendinae)
left
receives oxygenated blood from the left atrium which it then pumps up through the aortic valve (semilunar valves only allow blood to flow in 1 direction)
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