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Purkinje fiber

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noun
any of the specialized cardiac muscle fibers forming a network in the ventricular walls that conduct electric impulses responsible for the contractions of the ventricles.
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Origin of Purkinje fiber

Named after Jan Evangelista Purkinje (Czech Purkyně) (1787–1869), Czech physiologist, who discovered the fibers in 1839
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

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Medical definitions for Purkinje fiber

Purkinje fiber

n.
Any 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.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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