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.
Prosper was a small rural town on Preston Road (SH 289) in North Texas about 6 mi (9.7 km) north of Frisco, but in recent years â true to its name â it has prospered. The first settlers arrived in this area in 1846 for the black fertile prairie soil of North Texas where cotton was king..rosper is growing rapidly in terms of new home building (single-family houses in the $400,000 up to $4,000,000 range). In addition to a longtime retail filling station, in 2004 Prosper saw its second and third retail establishments arrive: a Sonic restaurant, and an Exxon On the Run station.