What is another word for Purkinje Fiber?
Pronunciation: [pˈɜːkɪnd͡ʒ fˈa͡ɪbə] (IPA) 
Purkinje fibers, also called Purkinje network or Purkinje cells, are specialized cells in the heart responsible for the conduction of electrical impulses that stimulate the heart to contract. These fibers are named after their discoverer, the Czech anatomist Jan Evangelista Purkinje.
There are a few synonyms for the term Purkinje fiber that can be helpful to know. One of the most common synonyms is the subendocardial branches, reflecting the fact that Purkinje fibers are located in the subendocardial layer of the heart's ventricles. Other synonyms include the atrioventricular bundle and the His bundle, which are both part of the conduction system that regulates cardiac rhythm. Finally, sometimes Purkinje fibers are simply referred to as the cardiac conduction system or the specialized conducting tissue of the heart.
