atrioventricular (AV) septum

(redirected from atrioventricular AV septum)

a·tri·o·ven·tric·u·lar (AV) sep·tum

(ā'trē-ō-ven-trik'yū-lăr sep'tŭm) [TA]
The small part of the membranous septum of the heart just above the septal cusp of the tricuspid valve that separates the right atrium from the left ventricle.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
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