bundle of His

noun

Specialized heart muscle cells that transmit electrical impulses from the AV node in the heart to the muscle cells of the heart wall, which contract in response producing the heart beat.

Similar
AV bundleatrioventricular bundleHis bundleatrioventricular trunktruncus atrioventricularis

Meanings

nounbundle of His (plural bundles of His)

plural bundles of His

  1. cardiologySpecialized heart muscle cells that transmit electrical impulses from the AV node in the heart to the muscle cells of the heart wall, which contract in response producing the heart beat.

    Synonyms: AV bundle, atrioventricular bundle, His bundle

Synonyms & antonyms

nounSpecialized heart muscle cells that transmit electrical impulses from the AV node in the heart to the muscle cells of the heart wall, which contract in response producing the heart beat.

More synonyms by meaning

nouna bundle of modified heart muscle that transmits the cardiac impulse from the atrioventricular node to the ventricles causing them to contract

Similar
atrioventricular bundleatrioventricular trunktruncus atrioventricularis

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

Named for Swiss cardiologist Wilhelm His, Jr., who discovered the function of these cells in 1893.

Full word history & related roots →

Translations

Finnish eteis-kammiokimppu, Hisin kimppu
  • eteis-kammiokimppuspecialized bundle of heart muscle cells
  • Hisin kimppuspecialized bundle of heart muscle cells
Cite this entry
APA

bundle of His. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/bundle%20of%20His

MLA

“bundle of His.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/bundle%20of%20His. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “bundle of His,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/bundle%20of%20His.

Source: bundle of His on Wiktionary, CC BY-SA 4.0.