Medical Definition Of BUNDLE OF HIS

✨📕 The NEW Collegiate Dictionary, 12th Edition Over 5,000 words added — Learn More! ✨📕 The NEW Collegiate Dictionary — Learn More! Est. 1828 Medical

• Definition
• Definition
• Entries Near

• • Cite this EntryCitation
  • Share
  Show more
• Show more
  • Citation
  • Share

• Save Word
  • To save this word, you'll need to log in. Log In

bundle of His

noun

-ˈhis : a slender bundle of modified cardiac muscle that passes from the atrioventricular node in the right 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 ventricles

called also atrioventricular bundle, His bundle

Browse Nearby Words

bundle branch block bundle of His bungarotoxin See all Nearby Words

Cite this Entry

Style MLA Chicago APA Merriam-Webster

“Bundle of His.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/bundle%20of%20His. Accessed 3 Jan. 2026.

Copy Citation

Share

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Merriam-Webster unabridged

More from Merriam-Webster

Can you solve 4 words at once?

Play Play

Can you solve 4 words at once?

Play Play

Word of the Day

senescence

See Definitions and Examples »

Get Word of the Day daily email!

Popular in Grammar & Usage

See More

'Buck Naked' or 'Butt Naked'?

'Affect' vs. 'Effect'

The Difference Between 'i.e.' and 'e.g.'

What’s the difference between ‘cemetery’ and ‘graveyard’?

Democracy or Republic: What's the difference?

See More

Popular in Wordplay

See More

Ten Kinds of Happiness

Words That Turned 100 in 2025

The Words of the Week - Jan. 2

17 Words for Dog Breeds

Birds Say the Darndest Things

See More

Popular

See More

'Buck Naked' or 'Butt Naked'?

Ten Kinds of Happiness

Words That Turned 100 in 2025

See More

Games & Quizzes

See All Quordle Can you solve 4 words at once? Play Blossom Pick the best words! Play The Missing Letter A daily crossword with a twist Play Weather Words Can you handle the (barometric) pressure? Take the quiz See All