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  1. Apr 24, 2024 · valve, in anatomy, any of various membranous structures, especially in the heart, veins, and lymph ducts, that function to close temporarily a passage or orifice, permitting movement of a fluid in one direction only. A valve may consist of a sphincter muscle or two or three membranous flaps or folds. In the heart there are two valves that ...

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  2. May 6, 2024 · valve, in mechanical engineering, device for controlling the flow of fluids (liquids, gases, slurries) in a pipe or other enclosure. Control is by means of a movable element that opens, shuts, or partially obstructs an opening in a passageway. Valves are of seven main types: globe, gate, needle, plug (cock), butterfly, poppet, and spool.

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  3. Apr 16, 2024 · A valvuloplasty is a treatment to repair a heart valve that has a narrowed opening. Narrowing of a heart valve is called valve stenosis. Four heart valves — the aortic, mitral, tricuspid and pulmonary valves — open and close to let blood flow through the heart.

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  5. Apr 16, 2024 · Mitral valve repair and mitral valve replacement may be done as an open-heart surgery or as a minimally invasive surgery. The method used depends on how severe the mitral valve disease is and if it's getting worse. Surgeons usually recommend mitral valve repair instead of replacement, when possible.

  6. May 3, 2024 · What is a Pulmonary Valve - Montefiore Einstein Center for Heart and Vascular Care. The pulmonary heart valve separates the right ventricle from the pulmonary artery, which transports deoxygenated blood to the lungs. As deoxygenated blood leaves the right ventricle, it passes through the pulmonary heart valve, which has been closed as the right ...

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  7. May 7, 2024 · Written by René Bennett. Staff Writer, Angi. Updated May 7, 2024. Highlights. The main water shut-off valve location depends on your home’s foundation. If you can’t find the valve, look along the perimeter of your home. The valve may be outside under a visible metal cover. Call a pro or an emergency service line if you have a leak.

  8. 4 days ago · The meaning of HEART VALVE is any of the valves that control blood flow to and from the heart and that include the atrioventricular valves, the aortic valve, and the pulmonary valve —called also cardiac valve.

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