Part of the [[excitation and conduction system]] of the heart, located between [[His'sche_Bündel/en|His bundle]] and [[Purkinje fibers]].
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Part of the [[Erregungsbildungs- und Leitungssystem/en|electrical conduction system]] of the heart, located between [[His'sche_Bündel/en|His bundle]] and [[Purkinje-Fasern/en|Purkinje fibers]].