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bundle of his

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bundle of His

  [his]
Use bundle of his in a Sentence
–noun Anatomy.
atrioventricular bundle.
Origin:
after Wilhelm His (1863–1934), Swiss physician
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atrioventricular bundle

 
–noun Anatomy.
a bundle of specialized muscle fibers regulating the heartbeat by conducting impulses from the right atrium to the ventricles.
Also called bundle of His.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To bundle of his
bundle of His   (hĭs)
n.  The bundle of cardiac muscle fibers that conducts the electrical impulses that regulate the heartbeat. Also called atrioventricular bundle.

[After Wilhelm His,Jr. (1863-1934), Swiss physician.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: atrioventricular bundle
Function: noun
: BUNDLE OF HIS

Main Entry: bundle of His
Pronunciation: -'his
Function: noun
: a slender bundle of modified cardiac muscle that passes from the atrioventricular node in theright atrium to the right and left ventricles by way of the septum and that maintains the normal sequence of the heartbeat by conducting the wave of excitation from the right atrium to the ventriclescalled also atrioventricular bundle, His bundle
His, Wilhelm (1863–1934), German physician. A pioneer cardiologist, His was one of the first to recognizethat the heartbeat originates in nodes of modified heart muscle. In 1893 he described the atrioventricular bundle, which is now often known as the bundle of His. He is also remembered for hisdescription of trench fever in 1916, when it was a major medical problem.
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

atrioventricular bundle n.
See atrioventricular trunk.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Science Dictionary
bundle of His   (hĭs)  Pronunciation Key 
The bundle of cardiac muscle fibers that passes from the atrioventricular node to the interventricular septum and then the ventricles. It conducts the electrical impulses that regulate the heartbeat from the right atrium to the left and right ventricles. The bundle of His is named after its discoverer, German cardiologist Wilhelm His (1836-1934).
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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