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.
What is the weather like right now in Dallas? Summer solstice has passed and weâre entering balmy territory in Dallas. On June 27, the temperature broke 103 degrees letting everyone within city limits know that the dog days of summer have arrived. June through August in Dallas is brutally hot, and oftentimes humid.