The atrioventricular (AV) valve consists of two main types: the tricuspid valve on the right side of the heart and the mitral valve on the left. Each valve is composed of flaps, or leaflets, made of fibrous tissue that open and close to regulate blood flow between the atria and ventricles. The valves are connected to papillary muscles via chordae tendineae, which help prevent backflow of blood by keeping the valve leaflets closed during ventricular contraction. This structure ensures efficient blood flow and maintains the proper pressure within the heart chambers.
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The chordae tendineae connect the AV valve and the papillary muscle. These structures work together to prevent backflow from the ventricle to the atrium.
interventricular septum
The atrioventricular valve on the left side of the heart is the bicuspid or mitral valve. The AV valve on the right is the tricuspid.
right atrioventricular valve
one has three cusps (tri) and the other has two (bi)
left atrioventricular valve and left mitral valve
Right atrioventricular valve
The right atrioventricular valve.
The Tricuspid valve
Mitral Valve
the right atrioventricular valve