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.
North and Central Texas Storms - January 15-16, 2017. Weather.gov > Fort Worth/Dallas, TX > North and Central Texas Storms - January 15-16, 2017. Today (Thursday) will be mostly cloudy, warm, breezy and humid with afternoon highs in the 80s. A south wind will prevail beteween 10 and 20 mph with some gusts to 30 MPH.