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.
Due to the fact that Texas already had a town by that name, Mr. T. C. Slaughter, a citizen, suggested the name of Prosper. In 1901, the first railroad was started and the town of Prosper had its beginning. It was not until March 17, 1902, that the first passenger train came through causing very much excitement.