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One of the specialized cardiac muscle fibers, part of the impulse-conducting network of the heart, that rapidly transmit impulses from the atrioventricular node to the ventricles.
[After Johannes Evangelista von Purkinje (1787-1869), Bohemian physiologist.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
any of a network of impulse-conducting muscle fibers in the walls of the ventricles of the heart.
[after Jan Evangelista Purkinje (Czech Purkyně) (1787–1869), Czech physiologist, who discovered the fibers in 1839]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||Purkinje fiber - a specialized cardiac muscle fiber that is part of the Purkinje network|
cardiac muscle, heart muscle - the muscle tissue of the heart; adapted to continued rhythmic contraction
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