bundle of His

[his]

noun

Anatomy.

1. atrioventricular bundle.

bundle of His

1. 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).

Word History and Origins

Origin of bundle of His¹

After Wilhelm His (1863–1934), Swiss physician

Example Sentences

If the block is due to some actual lesion of the bundle of His, such as fibrosis, gumma, or other lesion, then atropin will have no influence to terminate the block.

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In the last few years it has been discovered that the auriculoventricular handle, or "bundle of His," has a necessary function of conductivity of auricular impulse to ventricular contraction.

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