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Atrioventricular valve Definition and Explanation PDF | Download eBooks

Learn Atrioventricular valve definition in biology with explanation to study “What is Atrioventricular valve”. Study atrioventricular valve explanation with biology terms to review biology course for online degree programs.

Atrioventricular valve Definition:

  • An atrioventricular (AV) valve lies between each atrium and ventricle.

    Campbell Biology by J.B. Reece, L.A. Urry, M.L. Cain, S.A. Wasserman, P.V. Minorsky, R.B. Jackson

Atrioventricular valve Explanation:

These are the mitral and tricuspid valves, which are situated between the atria and the ventricles and prevent backflow from the ventricles into the atria during systole. They are anchored to the walls of the ventricles by chordae tendineae, which prevent the valves from inverting. The AV valves are anchored by strong fibers that prevent them from turning inside out. Pressure generated by the powerful contraction of the ventricles closes the AV valves, keeping blood from flowing back into the atria.

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