Part of the [[excitation formation and conduction system|excitation formation and conduction system]] of the heart, generates the autonomous [[heart rhythm]] and directs the formed [[excitation formation|excitation]] to the [[atrioventricular node, AV node|AV node]].
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Part of the [[Erregungsbildungs-_und_Leitungssystem/en|excitation formation and conduction system]] of the heart, generates the autonomous [[Herzrhythmus/en|heart rhythm]] and directs the formed [[Erregungsbildung/en|excitation]] to the [[atrioventricular node, AV node|AV node]].
