atrioventricular (AV) junction

a·tri·o·ven·tric·u·lar (AV) junc·tion

(ā'trē-o-ven-trik'yū-lahr jungk'shŭn)

Imprecisely defined zone surrounding and including the AV node and the adjacent atrial and ventricular myocardium.

Medical Dictionary for the Health Professions and Nursing © Farlex 2012