What are Purkinje fibers?

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(A) Purkinje fibers are specialized conducting fibers composed of electrically excitable cells. They are located in the inner ventricular walls of the

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Muscular fibers located in the ventricles

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(A) Purkinje fibers are specialized conducting fibers composed of electrically excitable cells. They are located in the inner ventricular walls of the heart,just beneath the endocardium in a space called the subendocardium. Although they are modified cardiac muscle cells,they are specialized for rapid conduction of electrical impulses throughout the ventricles,which allows the heart to contract in a synchronized manner. Therefore,they are essentially specialized muscular fibers.

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