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Dissection of the atrioventricular node junction in a typical control heart showing the location where tissue samples were collected. CT, crista terminalis; RA, right atrium; TV, tricuspid valve; RV, right ventricle; VS, ventricular septum; AS, atrial septum; CS, coronary sinus; SAN, sinoatrial node; AVN, atrioventricular node; Ao, Aorta.
