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.