Purkinje fibres


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Purkinje fibres

The large specialized heart muscle fibres that distribute electrical impulses from the lower ends of the right and left conducting bundles to the musculature of the ventricles thereby coordinating the heart beat. (Johannes Evangelista von Purkinje, 1787–1869, Czech polymath and physiologist).
References in periodicals archive ?
Anatomy of the conducting tissue of heart: The conducting tissue of the heart comprises of SA node, AV node, AV bundle with 2 limbs & Purkinje fibres.
In 13 cm CVRL foetus the thin layer of subendothelium was observed with large number of differentiating Purkinje fibres.
Objective: This study was planned to investigate ventricular myocardial excitation in birds in which Purkinje fibres penetrate into the ventricular wall and reach the epicardium to advance our knowledge about the evolution of the ventricular activation process in vertebrates.
Similar changes have been found in the locus caeruleus and the cerebellar cortex, the loss of Purkinje fibres in the latter increasing markedly after the age of 60[31].