Definition. Aortic valve regurgitation â or aortic regurgitation â is a condition that occurs when your heart's aortic valve doesn't close tightly. Aortic valve regurgitation allows some of the blood that was just pumped out of your heart's main pumping chamber (left ventricle) to leak back into it.efinition. Aortic valve regurgitation â or aortic regurgitation â is a condition that occurs when your heart's aortic valve doesn't close tightly. Aortic valve regurgitation allows some of the blood that was just pumped out of your heart's main pumping chamber (left ventricle) to leak back into it.
Prosper, Texas. Prosper is an affluent suburban town located in Collin and Denton counties within the state of Texas, United States. The town is located within the Dallas-Fort Worth metropolitan area. As of the 2010 census, the population was 9,423; As of 2017, the estimated population was 21,685.
Welcome to Parmer County. Organized in 1907 from a portion of the famous XIT Ranch, the county covers 882 square miles bordering New Mexico in the south-central Texas panhandle. With a population of just over 10,000, our county includes the communities of Friona, Farwell, Bovina, and Lazbuddie, each the home of award winning schools. At an altitude of 4100 feet, we average over 250 days of sunshine and 15â³-16â³ of precipitation annually.