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.
The Village of Irving had a population of 533 as of July 1, 2017. The primary coordinate point for Irving is located at latitude 39.2054 and longitude -89.4056 in Montgomery County. The formal boundaries for the Village of Irving (see map below) encompass a land area of 0.84 sq. miles and a water area of 0 sq. miles. Montgomery County is in the Central time zone (GMT -6). The elevation is 656 feet.