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Purkinje fiber

noun
1.
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.
Origin
named after Jan Evangelista Purkinje (Czech Purkyně) (1787-1869), Czech physiologist, who discovered the fibers in 1839
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Purkinje fiber in Medicine

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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