part of has part cardiac Purkinje fiber His-Purkinje system conducting tissue of heart cardiac muscle tissue of ventricle Purkinje fiber network UBERON:8000009 uberon Purkinje fibre network A collection of Purkinje fibers that receives signals from the right and left bundle branches and innervates the ventricular cardiac muscle. The Purkinje fiber network creates synchronized contractions of the heart ventricles.