atrioventricular node

Science Dictionary
atrioventricular node   (ā'trē-ō-věn-trĭk'yə-lər)  Pronunciation Key 
A small area of specialized cardiac muscle cells that conducts impulses from the sinoatrial node to the ventricles and initiates the contraction of the ventricles. It is located in the right atrium.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Explore Dictionary.com
Previous Definition: atrial
Next Definition: atrioventricular-node
More from Thesaurus.com
Synonyms and Antonyms for atrioventricular node
More from Reference.com
Search for articles containing atrioventricular node
Dictionary.com Word FAQs

Dictionary.com presents 366 FAQs, incorporating some of the frequently asked questions from the past with newer queries.

Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature