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• n  a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it
• n  device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone
• n  control consisting of a mechanical device for controlling the flow of a fluid
• n  the entire one-piece shell of a snail and certain other molluscs
• n  one of the paired hinged shells of certain molluscs and of brachiopods

• One study found that the risk of developing a heart-valve problem jumped 10- to 20-fold.
• But this would need a valve (to prevent back flow by the blood), and so far no satisfactory valve had been devised-they all had a tendency to clog.
• Using sheep, a new technique grows heart valves from existing body cells.

News & Articles

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• Valve Replacement Shuts Down Lane On Dodge
  An 8 inch valve is being replaced by MUD near 62nd and Dodge, shutting down a westbound lane until sometime on Friday.
  June 13, 2013 - WOWT Omaha
• Used 12 Valve Cummins Engine Receives New Warranty Protection for Truck Installations at GotDieselEngines.com
  Used 12 valve Cummins engine has now received a new protection policy for warranty coverage for truck installations at the GotDieselEngines.com company. This extended level of protection applies to these preowned motors to increase the lifespan after engine install. (PRWeb June 12, 2013) Read the full story at http://www.prweb.com/releases/used-12-valve-cummins/engine-12v-cummins-sale ...
  June 13, 2013 - PRWeb
• Valve work affects water distribution to businesses along South Staples Street
  Businesses on South Staples Street between Doddridge Street and Kostoryz Road experienced low water pressure Wednesday due to city workers replacing a valve in the area.
  June 12, 2013 - Corpus Christi Caller-Times

Quotes

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• Barbara Walters in ABC News
  On May 10, 2010, Walters told a stunned audience: "You know how healthy I have been -- never missed a day's work. Later this week, I am going to have surgery to replace one faulty heart valve. Lots of people have done this. I have known of this...
• Richard Peto in Forbes
  You don't help that (valve) disease, but you do help the patientsby protecting other heart blood vessels and reducing heart attacks and the need for bypass surgery or artery-clearing angioplasty, Sir Richard Peto, an Oxford University...
• Jeff Bezos in Times Online
  My only job at the launch was to open the champagne, and I broke the cork off in the bottle,Mr Bezos said. "Fortunately, our other valve operations went more smoothly."