Valves of the HeartValves of the Heart

Reid, Alex F, Alex D, Raven, Reid, Alex F, Alex D, Raven, GraceGrace

Types of ValvesTypes of Valves

Atrioventricular Atrioventricular – TricuspidTricuspid– Bicuspid/MitralBicuspid/Mitral

SemilunarSemilunar– AorticAortic– PulmonaryPulmonary

TricuspidTricuspid

Location: Between the right atrium Location: Between the right atrium and right ventricleand right ventricle

Shape: 3 flaps, tendon mediatedShape: 3 flaps, tendon mediated Function: Allows blood into the right Function: Allows blood into the right

ventricle while preventing backflow ventricle while preventing backflow of blood into the atrium.of blood into the atrium.

Bicuspid/MitralBicuspid/Mitral

Location: Between the left ventricle Location: Between the left ventricle and the left atriumand the left atrium

Shape: 2 flaps, tendon mediatedShape: 2 flaps, tendon mediated Function: Allows blood into the left Function: Allows blood into the left

ventricle while preventing backflow ventricle while preventing backflow of blood into the atrium.of blood into the atrium.

Aortic Aortic

Location: Between the left ventricle Location: Between the left ventricle and the aorta.and the aorta.

Shape: 3 flaps, pressure mediatedShape: 3 flaps, pressure mediated Function: Allows blood to pass from Function: Allows blood to pass from

left ventricle to all tissues of the left ventricle to all tissues of the body, prevents backflow of blood into body, prevents backflow of blood into the ventricles.the ventricles.

PulmonaryPulmonary

Location: Between the right ventricle Location: Between the right ventricle and the pulmonary arteryand the pulmonary artery

Shape: 3 flaps, pressure mediatedShape: 3 flaps, pressure mediated Function: Allows blood to pass from Function: Allows blood to pass from

the right ventricle to the lungs, the right ventricle to the lungs, prevents backflow of blood into the prevents backflow of blood into the ventricles.ventricles.