💀anatomy and physiology i review

Left atrioventricular valve

Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025

Definition

The left atrioventricular valve, also known as the mitral or bicuspid valve, is a valve in the heart that lies between the left atrium and the left ventricle. It prevents the backflow of blood from the left ventricle into the left atrium when the heart contracts.