bundle of His

bundle of His

[his]
noun Anatomy.

Origin:
after Wilhelm His (1863–1934), Swiss physician

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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American Heritage
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
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