Aortic valve
Aortic Valve
The Aortic Valve (pronounced: ay-OR-tik VALV) is one of the two semilunar valves of the heart, the other being the pulmonary valve. The aortic valve normally has three cusps or leaflets, although in 1–2% of the population it is found to congenitally have two leaflets.
Etymology
The term "Aortic" is derived from the Greek word "aorte" meaning 'the great artery', and "Valve" comes from the Latin "valva" meaning 'a folding door'.
Function
The aortic valve is a valve in the human heart between the left ventricle and the aorta. It is one of the two semilunar valves of the heart, the other being the pulmonary valve. The heart has four valves and the other two are the mitral valve and the tricuspid valve. The aortic valve normally has three cusps or leaflets, although in 1–2% of the population it is found to congenitally have two leaflets.
Related Terms
- Aortic Valve Stenosis: A condition where the aortic valve narrows, restricting blood flow from the heart to the aorta and the rest of the body.
- Aortic Valve Regurgitation: A condition where the aortic valve doesn't close tightly, causing blood to flow backward into the left ventricle.
- Aortic Valve Replacement: A surgical procedure where the aortic valve is replaced with a mechanical or biological valve.
- Aortic Valve Repair: A surgical procedure to fix the aortic valve without replacing it.
External links
- Medical encyclopedia article on Aortic valve
- Wikipedia's article - Aortic valve
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