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The pulmonary valve (sometimes referred to as the pulmonic valve) is a valve of the heart that lies between the right ventricle and the pulmonary artery, and has three cusps. It is one of the four valves of the heart and one of the two semilunar valves , the other being the aortic valve .
Mitral Valve ≅ mitral valve (Q369939) Mitral Valve Aortic Valve ≅ aortic valve (Q616071) Aortic Valve Tricuspid Valve ≅ tricuspid valve (Q1344255) Tricuspid Valve Pulmonary Valve ≅ pulmonary valve (Q1552748) Pulmonary Valve Pericardium ≅ pericardium (Q193302) Pericardium
The pulmonary valve (sometimes referred to as the pulmonic valve) lies between the right ventricle and the pulmonary artery, and has three cusps. Similar to the aortic valve, the pulmonary valve opens in ventricular systole, when the pressure in the right ventricle rises above the pressure in the pulmonary artery.
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Pulmonary stenosis. This is a type of heart valve disease in which the pulmonary artery, the vessel connecting the heart to the lungs, is too narrow or thick. Atrial septal defect.
The pulmonary valve is located at the base of the pulmonary artery. This has three cusps which are not attached to any papillary muscles. When the ventricle relaxes blood flows back into the ventricle from the artery and this flow of blood fills the pocket-like valve, pressing against the cusps which close to seal the valve.
In 2017, things took another difficult turn when Cristi’s doctors informed her that she needed a new pulmonary valve, which she’d be receiving from either a pig or a cow.
Diagram of the human heart. Several adaptations of the Ross procedure have evolved, but the principle is essentially the same; to replace a diseased aortic valve with the person's own pulmonary valve (autograft), and replace the person's own pulmonary valve with a pulmonary valve from a cadaver (homograft) or a stentless xenograft.