Meaning of atrioventricular

a•tri•o•ven•tric•u•lar

Pronunciation: (ā"trē-ō-ven-trik'yu-lur), [key]
— adj. Anat.
  1. of or pertaining to the atria and ventricles of the heart. Abbr.: AV, A-V
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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