valved definition
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valve A valve is a mechanism that opens and closes to control the flow of fluids. In a scientific context, fluids include both liquids and gases – any substance that can flow freely – and valves may use either. Valves control fluid flow in motors, plumbing, irrigation, pneumatic and hydraulic systems.
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Mitral valve The mitral valve (also known as the bicuspid valve or left atrioventricular valve) is a dual-flap (bi-from the Latin, meaning double, and mitral-from the Latin, meaning shaped like a mitre) valve in the heart that lies between the left atrium (LA) and the left ventricle (LV).he mitral valve (not to be confused with the congenital bicuspid aortic valve) and the tricuspid valve are known collectively as the atrioventricular valves because they lie between the atria and the ventricles of the heart and control the flow of blood.
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Anatomy and Function of the Heart Valves Valves are actually flaps (leaflets) that act as one-way inlets for blood coming into a ventricle and one-way outlets for blood leaving a ventricle. Normal valves have 3 flaps (leaflets), except the mitral valve, which only has 2 flaps.
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- More About Gate Valves. A gate valve is a type of valve used to prevent the flow of liquid in a plumbing system. It is primarily designed to be completely open or completely closed. Consequently, gate valves are rarely used as a means of regulating flow.A standard gate valve has a bonnet found on top of the valve body. gate valve is a type of valve used to prevent the flow of liquid in a plumbing system. It is primarily designed to be completely open or completely closed.
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Valve Valves whose disc is between the seat and the stem and where the stem moves in a direction into the valve to shut it are normally-seated or front seated. Valves whose seat is between the disc and the stem and where the stem moves in a direction out of the valve to shut it are reverse-seated or back seated.
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Valve gear The Walschaerts valve gear on a steam locomotive (a PRR E6s). The valve gear of a steam engine is the mechanism that operates the inlet and exhaust valves to admit steam into the cylinder and allow exhaust steam to escape, respectively, at the correct points in the cycle. It can also serve as a reversing gear.
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Medical Definition of Mitral valve Medical Definition of Mitral valve. Mitral valve: A valve in the heart that is situated between the left atrium and the left ventricle. The mitral valve permits blood to flow from the left atrium into the left ventricle, but not in the reverse direction. The mitral valve has two flaps (cusps).
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- pied 1. adj. Patchy in color; splotched or piebald. [Middle English, from.
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Check valve A check valve, clack valve, non-return valve, reflux valve, retention valve or one-way valve is a valve that normally allows fluid to flow through it in only one direction. Check valves are two-port valves, meaning they have two openings in the body, one for fluid to enter and the other for fluid to leave. There are various types of check valves used in a wide variety of applications. Check valves are often part of common household items. Although they are available in a wide range of sizes and
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Learn SiteSKELETONMUSCULARCIRCULATORYRESPIRATORYDIGESTIVELYMPHATICURINARYREPRODUCTIVENERVOUSENDOCRINESkeleton Muscular Circulatory Respiratory Digestive Lymphatic Urinary Reproductive Nervous Endocrine The mitral valve is one of the four heart valves. It controls proper blood flow from the left atrium into the left ventricle. In mitral valve prolapse, the valve bulges inward and does not close properly. Most people with mitral valve prolapse are born with it.
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- A check valve, clack valve, non-return valve, reflux valve, retention valve or one-way valve is a valve that normally allows fluid (liquid or gas) to flow through it in only one direction. Check valves are two-port valves, meaning they have two openings in the body, one for fluid to enter and the other for fluid to leave.
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Heart valve The mitral valve and the aortic valve are in the left heart; the tricuspid valve and the pulmonary valve are in the right heart. There are also the coronary sinus and the inferior vena cava valves. heart valve normally allows blood to flow in only one direction through the heart. The four valves commonly represented in a mammalian heart determine the pathway of blood flow through the heart.
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Valve 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 prevent backflow of blood from the ventricles into the atria. On the right side of the heart is the tricuspid valve, composed of three flaps of tissue; on the left is the two-piece mitral valve. Once blood has left the heart and entered the aorta, its return is prevented by the semilunar valves, which consist of membranous saclike flaps that open away from the heart.
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Aortic valve [edit on Wikidata] 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 and the tricuspid valves.
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Aortic Valve Stenosis What is aortic valve stenosis? Aortic valve stenosis is a narrowing of the aortic valve. The aortic valve allows blood to flow from the heart's lower left chamber (ventricle) into the aorta and to the body. Stenosis prevents the valve from opening properly, forcing the heart to work harder to pump blood through the valve.
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Diaphragm Valves Information Non-wetted and wetted are terms used to describe the body and stem design. 1  Non-wetted valves have the stem and body isolated from the media in the system. Therefore, the stem and body do not need to be made of a corrosive resistant material. 2  Wetted valves leave the stem and body exposed to the media in the line.
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heart valve Medical Definition of heart valve. : 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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What is the Real Definition of Inflation? This definition includes some of the basic economics of inflation and would seem to indicate that inflation is not defined as the increase in prices but as the increase in the supply of money that causes the increase in prices i.e. inflation is a cause rather than an effect.
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Valve The simplest, and very ancient, valve is simply a freely hinged flap which drops to obstruct fluid (gas or liquid) flow in one direction, but is pushed open by flow in the opposite direction. This is called a check valve, as it prevents or checks the flow in one direction.alves whose disc is between the seat and the stem and where the stem moves in a direction into the valve to shut it are normally-seated or front seated. Valves whose seat is between the disc and the stem and where the stem moves in a direction out of the valve to shut it are reverse-seated or back seated.
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Top 30 Doctor insights on: Aortic Valve Is Sclerotic Valve (Definition) 1  A valve is a structure that regulates the direction of flow. 2  The aortic valve is one of 4 valves in the heart, each of which separates 2 cardiac chambers. 3  The aorta is the largest artery in the body, leaving directly from the left ventricle of the heart to supply blood to the entire body.
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What is the Bicuspid Valve? The bicuspid valve, also known as the mitral valve, is a structure in the left side of the heart that controls the flow of oxygenated blood.
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Pend A pend in Edinburgh. Pend is a Scottish architectural term referring to a passageway that passes through a building, often from a street through to a courtyard or 'back court', and typically designed for vehicular rather than exclusively pedestrian access.
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- A valve is a device that regulates, directs or controls the flow of a fluid (gases, liquids, fluidized solids, or slurries) by opening, closing, or partially obstructing various passageways. Valves are technically fittings, but are usually discussed as a separate category.
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Definitions &Translations Definitions for vaned. Here are all the possible meanings and translations of the word vaned. Princeton's WordNet(0.00 / 0 votes)Rate this definition: fledged, vaned(adj) (of an arrow) equipped with feathers.
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atrioventricular valve 1. mitral valve-valve with two cusps; situated between the left atrium and the left ventricle. bicuspid valve, left atrioventricular valve. atrioventricular valve-either of two heart valves through which blood flows from the atria to the ventricles; prevents return of blood to the atrium.
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- Valve is an entertainment software and technology company founded in 1996. In addition to creating several of the world’s most award-winning games, Valve is also a developer of leading-edge technologies including the Source® game engine and Steam®, the premier online gaming platform.