Site Map | FAQ

• Editor's Favorites
  • Black History Month
  • 2010 Winter Olympics
  • Valentine's Day
  • Profile of Haiti
  • 2010 Calendar
  • Holidays in America
  • Most Populous Countries
  • H1N1 Overview
  • Countries of the World
  • Top 50 U.S. Cities
  • Color Psychology
  • Most Popular Names
  • The Fifty States

Dictionary

a'trioventric'ular node'

Anat.
a small mass of muscular fibers at the base of the wall between the atria, conducting impulses received from the sinoatrial node by way of the atrioventricular bundles and, under certain conditions, functioning for the sinoatrial node as pacemaker of the heart. Abbr.: A-V node.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

atrioventricular bundle

atrip

• • Cite
  • Print
  • Email
  • Bookmark
    • Add bookmark
    • Add to del.icio.us
    • Digg It!
    • Add to Reddit

Related Content Daily Word Quiz: hubris Analogy of the Day: Today's Analogy Spelling Bee: Today's Spelling Bee Kids' Word Quiz: exemplary Crossword: Crossword Puzzle Guide Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language

Find definitions for: