Margerey (J Path Bact 1949; 61:203-208) studied 250 mitral valves and postulated that the mechanism of formation is intimal damage due to mechanical trauma at the leaflet coaptation. The damaged area is covered by fibrin, which subsequently becomes uplifted, or partially detached from the valve surface.
Irving, TX Current Weather and Forecast. Irving, TX Weather Forecast. 3:20 PM CDT SAT APR 15 2017. TONIGHT - Partly cloudy this evening - then becoming mostly cloudy. Lows in the mid 60s. South winds 5 to 10 mph.
Irving (/ÉrvÉªÅ/ UR-ving) is a city located in Dallas County in the U.S. state of Texas. According to a 2013 estimate from the United States Census Bureau, the city population was 228,653 making it the thirteenth most populous city in Texas.Irving is part of the DallasâFort Worth metroplex.Irving includes the Las Colinas community, one of the first master-planned developments in the United States and once the largest mixed-use development in the Southwest with a land area of more than 12,000 acres (4,856 ha).rving was the home of Texas Stadium, the former home stadium of the Dallas Cowboys. The stadium was demolished on April 11, 2010. Irving Independent School District (IISD) high schools play football and other sports at Irving Schools Stadium.